The point of a deterrent is to make your house look like the wrong one to try. The things that do that well are noise, light and the impression someone is watching.
Our picks at a glance
From published specs and our sizing rules. Not lab tested.
- 1
Electronic guard dog
STI Electronic Barking Secure Watch Dog with Remote
Check price on AmazonPaid link
- 2
Light, siren and recording
eufy Floodlight Camera E340 Dual-Lens with Auto-Tracking
Check price on AmazonPaid link
- 3
Patrol robot
Enabot EBO Air 2S 2.5K Mobile Robot Camera
Check price on AmazonPaid link
Here is what you can buy today: radar watchdogs that bark through the door, floodlight cameras that light up and sound a siren, camera robots you drive around the house, and an actual robot dog. None of them replaces an alarm or cameras that record, so treat them as the layer on top.
Top picks, and why
STI Electronic Barking Secure Watch Dog with Remote
- siren
- bark + siren
- 20 ft range
Radar senses movement through doors and walls (10 to 20 ft) and plays a barking dog, an alarm or a chime. Remote with panic button. under $100.
- Radar sensitivity adjustable from 10 to 20 feet
- Switches between barking dog, alarm or chime
- Wireless remote with panic alarm button
- Cannot sense through steel, brick or cement walls
- No camera, app or recording
Under $100, live price on Amazon
Check price on AmazonPaid link. We earn a commission at no cost to you.
eufy Floodlight Camera E340 Dual-Lens with Auto-Tracking
- 3K
- wired
- local storage, no plan needed
- detects person, vehicle
+4 moreFewer
- spotlight
- siren
- auto-tracking
- light + siren
3K floodlight camera with auto-tracking, a siren and local recording, so it deters and records. $100 to $250.
- 2,000-lumen floodlight plus a 95 dB alarm
- 24/7 recording to microSD or HomeBase, no fee
- Dual-band Wi-Fi 6
- Drops to 2K when AI tracking or dual view is on
- Needs a wired outdoor junction box
$100 to $250, live price on Amazon
Check price on AmazonPaid link. We earn a commission at no cost to you.
Enabot EBO Air 2S 2.5K Mobile Robot Camera
- 2.5K
- battery
- local storage, no plan needed
- robot
+1 moreFewer
- moves on its own
A 2.5K camera on wheels with two-way audio that you drive around the house from your phone, with local storage. $250 to $500.
- 2.5K video with night vision
- 5000mAh battery with automatic return to dock
- Two-way video, not just audio; 32GB SD card included
- Indoor robot, no siren or spotlight
- Rolls on wheels, so it stays on one floor
$250 to $500, live price on Amazon
Check price on AmazonPaid link. We earn a commission at no cost to you.
Compare every pick
Paid links: we earn a commission if you buy, at no cost to you. Amazon prices change often, so we show a range and link to the live price.
Electronic watchdogs
These sit inside near a door and play a barking dog when they sense someone outside. The barking gets more frequent as the person gets closer, which sounds like a dog reacting.
STI Electronic Barking Secure Watch Dog with Remote
- siren
- bark + siren
- 20 ft range
10 to 20 ft adjustable radar, bark, alarm or chime, panic remote. under $100.
- Radar sensitivity adjustable from 10 to 20 feet
- Switches between barking dog, alarm or chime
- Wireless remote with panic alarm button
- Cannot sense through steel, brick or cement walls
- No camera, app or recording
Under $100, live price on Amazon
Check price on AmazonPaid link. We earn a commission at no cost to you.
STI Rex Plus ED-50 Electronic Watchdog
- plug-in
- bark
Plug-in barking dog alarm that barks faster as someone gets closer. $100 to $250.
- Barking gets more frequent as the intruder gets closer
- Plugs into any standard outlet, no install
- Place anywhere indoors where you want to detect movement
- Indoor use only
- No camera, app or recording
$100 to $250, live price on Amazon
Check price on AmazonPaid link. We earn a commission at no cost to you.
Floodlights with sirens
Bright light plus a siren on motion is the deterrent most people notice, and these also record.
WYZE Floodlight Camera v2 2K
- 2K
- wired
- 160 deg view
- local storage, no plan needed
+4 moreFewer
- spotlight
- siren
- color night vision
- light + siren
2K, 160 degree view, spotlight, siren, two-way audio, local storage. $100 to $250.
- 2800 lumen motion-activated LED lights
- 105dB siren and two-way talk
- 24/7 microSD recording, up to 30 days of footage
- 2.4GHz Wi-Fi only
- microSD card needed for local recording
$100 to $250, live price on Amazon
Check price on AmazonPaid link. We earn a commission at no cost to you.
REOLINK 4K Dual-Lens 180 Degree Floodlight Camera
- 4K
- wired
- 180 deg view
- detects person, vehicle, pet
+3 moreFewer
- spotlight
- color night vision
- light
180 degree view, color night vision, person, vehicle and pet detection. $100 to $250.
- 4K with 180 degree panoramic view
- 1800 lumen floodlight with color night vision
- AI detection of people, vehicles and animals
- Needs AC power
- Siren not stated in the listing
$100 to $250, live price on Amazon
Check price on AmazonPaid link. We earn a commission at no cost to you.
Robots: patrol cams and a real robot dog
Home robots like the Enabot EBO are mobile cameras you drive around from your phone to check on the house, with two-way audio. Four-legged robot dogs like the Deep Robotics Lite3, the Faraday Future FX Aegis Pro (with a 4K camera) and the DOBOT Rover X1 Pro are real and on Amazon now. None of them is a security system on its own, but nothing says somebody is watching quite like a robot walking into the room.
Enabot EBO SE 2 2K Mobile Home Robot Camera
- 2K
- battery
- local storage, no plan needed
- robot
+1 moreFewer
- moves on its own
2K camera on wheels, two-way audio, local storage. $100 to $250.
- Drives between rooms for views a fixed camera misses
- 2K video with night vision and two-way talk
- Self-docks when low; 32GB SD card included
- Indoor robot, no siren or spotlight
- Rolls on wheels, so it stays on one floor
$100 to $250, live price on Amazon
Check price on AmazonPaid link. We earn a commission at no cost to you.
DEEP Robotics Lite 3-Basic Quadruped Robot
- battery
- robot
- moves on its own
Battery-powered four-legged robot you control from an app. over $2,000.
- Climbs 40 degree slopes and 15 cm obstacles
- 12 kg body with 5 kg payload
- 1.5 to 2 hours of continuous operation
- Sold as a developer platform, not a home security device
- No camera or patrol feature stated in the listing
Over $2,000, live price on Amazon
Check price on AmazonPaid link. We earn a commission at no cost to you.
Faraday Future FX Aegis Pro AI Robot Dog with 4K Camera
- 4K
- battery
- robot
- moves on its own
4K live-streaming camera, up to 12 hours on its 216 Wh battery, climbs 16 cm steps. App control is listed as still in development. over $2,000.
- 4K wide-angle camera with real-time video streaming
- 216 Wh battery listed for up to 12 hours
- Climbs 16 cm steps, clears 35 cm obstacles, carries 8 kg
- App control is listed as still in development
- Sold for STEM education, no alarm or recording features stated
Over $2,000, live price on Amazon
Check price on AmazonPaid link. We earn a commission at no cost to you.
DOBOT Rover X1 Pro Quadruped Robot Dog with Dual Cameras
- 1080p
- battery
- robot
- moves on its own
Front and rear 1080p cameras with a live app feed, follow mode, and plays your own recorded audio. 1 to 3 hours per charge. over $2,000.
- Front and rear 1080p cameras with a live app feed
- Plays custom recorded audio through its speaker
- Follow mode and omnidirectional obstacle avoidance
- 1 to 3 hours of runtime per charge
- Battery ships separately from the robot
Over $2,000, live price on Amazon
Check price on AmazonPaid link. We earn a commission at no cost to you.
The cheap trick: dummy cameras
Dummy cameras do nothing but look like cameras. Put them where a real one would be obvious, alongside real cameras elsewhere.
SABRE Motion Sensor Light with Dummy Camera Design
- battery
- 120 deg view
- spotlight
- light + dummy
+1 moreFewer
- 18 ft range
Camera-shaped motion light with an 18 ft detection range, battery powered. under $100.
- Detects motion up to about 18 feet at 120 degrees
- Two 100 lumen LEDs plus a blinking LED
- IP44 weather resistance, no wiring
- Not a real camera, no video
- Uses 3 AAA batteries, not included
Under $100, live price on Amazon
Check price on AmazonPaid link. We earn a commission at no cost to you.
SABRE Dummy Dome Camera with Flashing Light
- battery
- dummy
A camera-look dome, battery powered, nothing to wire. under $100.
- Flashing red light visible at night
- No wiring, installs in minutes
- Runs on 3 AA batteries
- Dummy only, no video or alerts
- Batteries not included
Under $100, live price on Amazon
Check price on AmazonPaid link. We earn a commission at no cost to you.
The bottom line
From published specs and our sizing rules. Not lab tested.
- 1
Electronic guard dog
STI Electronic Barking Secure Watch Dog with Remote
Check price on AmazonPaid link
- 2
Light, siren and recording
eufy Floodlight Camera E340 Dual-Lens with Auto-Tracking
Check price on AmazonPaid link
- 3
Patrol robot
Enabot EBO Air 2S 2.5K Mobile Robot Camera
Check price on AmazonPaid link
Frequently asked questions
Is there an AI guard dog for home security?
Not one that guards like a dog. The closest products are radar watchdogs that bark when someone approaches, AI floodlight cameras that light up and sound a siren, and camera robots you drive around remotely. Robot dogs like the Deep Robotics Lite3, Faraday Future FX Aegis Pro and DOBOT Rover X1 Pro exist, some with cameras you can stream from, but they are robot platforms sold for STEM and hobby use, not security systems. A Boston Dynamics Spot is an industrial robot sold to businesses, not on Amazon.
Do barking dog alarms deter burglars?
They make the house sound guarded, which is the point of any deterrent, but they do not record or call anyone. Pair one with cameras or an alarm.
Can an electronic barking dog sense through walls?
The radar models can. The STI Electronic Barking Secure Watch Dog senses movement through doors and walls at a range you set from 10 to 20 feet, but its listing says it cannot sense through steel, brick or cement. Place it inside, aimed at the door or wall someone would approach.
Do fake security cameras actually work?
A dummy camera can make a house look watched from the street, but it records nothing and sends no alerts. Put one where a camera would be expected and keep real recording cameras on the main entries. The SABRE dummy dome runs on 3 AA batteries with a blinking red light, so there is nothing to wire.
Can a robot dog patrol my house while I am away?
Not as a security system today. Listed runtimes are short: 1 to 3 hours per charge for the DOBOT Rover X1 Pro and 1.5 to 2 hours for the Deep Robotics Lite3, while the Faraday Future FX Aegis Pro lists up to 12 hours on a 216 Wh battery with app control still in development. None of them lists alarm or recording features, so treat one as an add-on to cameras.
Are floodlight cameras a good burglar deterrent?
Bright light and a siren on motion are the deterrents most people notice, and floodlight cameras record the event too. The eufy Floodlight Camera E340 pairs a 2,000 lumen light with a 95 dB alarm, and the WYZE Floodlight Camera v2 has 2,800 lumens and a 105 dB siren, both recording to local storage. Both are hardwired, so they need an outdoor junction box.
Can a home patrol robot like the Enabot EBO go up stairs?
No. The Enabot EBO SE 2 and EBO Air 2S roll on wheels, so each one stays on a single floor. They drive back to their dock to recharge and record to the included 32 GB SD card, and neither has a siren or spotlight.
Do home deterrents need Wi-Fi?
The STI watchdogs and the SABRE dummy cameras work standalone with no Wi-Fi, app or account. Floodlight cameras and patrol robots need Wi-Fi for phone alerts and live view, though the eufy and WYZE floodlights keep recordings on local storage with no plan.
Will a deterrent call the police if someone breaks in?
No. Barking dog alarms, dummy cameras, floodlights and robots make noise, light or video but contact nobody. For someone to call for help, you need an alarm system with professional monitoring, such as the optional plans on Ring Alarm or SimpliSafe.
What does a camera-shaped motion light do at night?
It switches on when someone walks into range, which is a real deterrent even though the camera is fake. The SABRE motion light detects movement up to about 18 feet across 120 degrees, lights two 100 lumen LEDs, is rated IP44 and runs on 3 AAA batteries. It does not record video.
13 products are linked on this page. We have not lab-tested these products; picks are based on published specifications and our sizing rules. Amazon prices change, so we show a range and link to the live price. See our disclosure.
Size it for your home
Marcus Reed
Founder and Editor, CrunchYourDollars
Marcus Reed builds the sizing tools on CrunchYourDollars. He is a software engineer with a long-running PC hardware and power supply habit, which is where the watts, watt-hours and surge math on this site comes from. Product specs are pulled from manufacturer data sheets, electricity rates from the U.S. Energy Information Administration, and water chemistry rules from the Water Quality Association. He is not a licensed electrician or plumber: the tools show the math and the matching models so you can make the call, and anything involving your electrical panel should be checked by a licensed pro.
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