Here I recommend one from aHappyDeal Company, a professional company focus on this kind of product.
Brief Introduction of 105dB 110 Degree Home Security Infrared Motion Sensor Alarm with Wireless remote control - White
Main Feature: - This sensor alarm can keep you aware of intruders or visitors in your home. It extends your security system. It's suitable for home, office, shop, warehouse, shed etc.
- Wireless, infrared detector, motion-activated
- Detect angle: 110 degree
- Detection area: 10m/ 30 feet long and 110 degrees wide
- Include 2 direct infrared remote control (Up to 30m/ 100 feet), please use it directly facing to the sensor
- Support 220V charger(not included)
- Do not fix this senor near Heating materials
- Please check its sensitivity monthly, to make sure it is in good condition. Change batteries every 3 month if you do not use 220V charger.
- Alarm power supply: 4 x 1.5v AA batteries or 6v DC power(not included)
- Remote control power supply: 3 x AG13 batteries(included)
- Use for: - Warehouse roll up doors
... [Full description on aHappyDeal]
Supplied by aHappyDeal, Click Here to find the latest price.
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