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๐จ Stay ahead of intruders with half-mile wireless powerโsecurity thatโs as smart as you are.
The 1/2 Mile Battery Power Unit is a weather-resistant, wireless motion detection system designed for large properties. Featuring a robust 0.5-mile transmission range, adjustable 35-50 ft detection radius, and advanced interference-resistant technology, it offers reliable, year-round security. Easy to install with battery-powered sensors and expandable up to 32 units, itโs perfect for homeowners and businesses seeking scalable, precise perimeter monitoring.











| ASIN | B08NYDFRVL |
| Antenna Location | Monitoring and protecting outdoor/indoor property |
| Battery Description | Alkaline |
| Best Sellers Rank | 18,056 in DIY & Tools ( See Top 100 in DIY & Tools ) 26 in Motion Detectors (DIY & Tools) |
| Brand | HTZSAFE |
| Colour | 1 Receiver+1 Sensor |
| Compatible Devices | Lighting Control, Security System, Smart Home Hub |
| Country of Origin | China |
| Customer Reviews | 4.6 out of 5 stars 4,797 Reviews |
| EU Spare Part Availability Duration | 2 Years |
| Frequency | 150 Hz |
| Item Dimensions D x W x H | 9.5D x 7.5W x 10H centimetres |
| Item Weight | 0.3 Kilograms |
| Item weight | 0.3 Kilograms |
| Manufacturer | HTZSAFE |
| Maximum Range | 804.67 Metres |
| Maximum range | 804.67 Metres |
| Model Number | 1 |
| Mounting Type | Wall Mount |
| Mounting type | Wall Mount |
| Number of Batteries | 1 AA batteries required. |
| Operating Temperature | 150 Degrees Fahrenheit |
| Part Number | 808A+T808 |
| Power source | Battery Powered |
| Temperature Range | 1.5E+2 Degrees Fahrenheit |
| Unit Count | 3.0 count |
| Upper Temperature Rating | 150 Degrees Fahrenheit |
M**T
Brilliant device, solves our delivery driver issue!
Brilliant little device at a great price. Cures what has become a real problem for usโฆ. Lazy amazon drivers that dont even knock on the door and dump our parcels in view of the street. We do not live ruled by the phone so generally don't get the Amazon notification. Even when this item was delivered it sat outside in the damp for hours until I locked the house up for the night! The Driveway alarm seems very stable and gives a clear notification that someone has approached the front door!
S**X
Great item and good distance range
Delivered quickly well packaged and its Working extremely well ive used it now for 3 days in several different distance areas to my home i purchased this item as i have to leave my vehicle on street parking or surroundings roads near to my home depending on availability to parking spaces why i needed a long distance coverage and this item is working very good to my requirements I also have purchased rechargeable batteries to maintain top power for the signal distance I havenโt had to change them so far but im very impressed with this product but bare in mind other environmental signals and other cctv can effect the signal range i have a camera in my home and it did effect the signal as i tested it to see by unplugging the camera then signal worked perfectly from another street 500/600yards away i would definitely recommend to anyone and the volume / sound options features are great.
R**W
Great Product, well worth doing the mods shown
Works a treat, sets off quite a ROW and has extraordinary range. It covers the whole front of the house and drive so picks up movement anywhere. And contrary to another report it always goes off when my electric car arrives, its MOVEMENT that sets, doesn't matter what it is that's moving. The outside receiver unit is made to run on 2xAA 1.5v batteries, which didn't last long; so for ยฃ8 I bought a 240v - 5v adapter (on Amazon). Just needed to remove the rear battery cover and drill 2 holes, then cut off the plug on the 5v end of the adapter, solder the ends to the tabs in the back of the unit then seal so to keep water out. Now it will run forever that its got the mains power. I bought two of the sounder units which are for mains electricity - one inside the house and the other outside, via a timer to work mainly in the dark hours. I made sure to waterproof the outside unit as well. Does it work? YES - has woke me up a couple of times. It's inspired me to now add an outside camera.
S**E
Great customer service
I purchased this product in January 2022. It was easy to set up, and worked really well. In December 2022, the sensor suddenly stopped working. I contacted the seller, who promptly offered advice and tried to find a remedy. When it was established that the fault was with the sensor, the seller immediately sent a replacement without hesitation. I was very impressed with their customer service and pleased, as despite the fault have been impressed with the product, and would be more than happy to purchase another if required.
I**R
Fantastic alarm.
This is a great driveway alarm, with excelent range, it's much better than the previous one which was supplied by the alarm company. It has a vast selection of tones to choose from and the indoor 'owl' figure lights up as well as the sound, so you really can't miss it! Well worth it's low price. Quite good fun too, seeing the owl eyes flash!!
D**S
Well worth the money
Very good at picking up movement covers my fairly long drive no problem
J**6
Incredible little device.๐
Superb, cannot fault in any way...
B**E
Works well
So good we bought some more to cover other areas, including picking up dog going out of range
Trustpilot
2 days ago
2 weeks ago