Tosuny Infrared Motion Sensor Detectors, 105DB Wireless PIR Alarm Password Home Security Keypad Door Window System, 5 Meters Detection Range White

【Home Defender】This Motion Sensor Alarm is perfect for protecting your property against unwelcome intruders.It can be situated to cover the front door, back door, garage, shed, outbuildings etc. 【With PIR Motion Sensor】It features a built in PIR motion sensor that will activate the alarm if any movement is detected 【Easy for Use】It is simple to fit, there are no wires required, just put the required batteries in, fix to a suitable 【High Effection Product】with 3-5 meters Detection Range,When the PIR sensor detects human movement the alarm will sound alerting you to a potential attack on your home or an intruder.DC 4.5V Working voltage 【Sale Warranty】If you have any question about the products,please contact us in time.we own 24-hour professional Customer service to answer any questions for you.we will help you satisfy solve it,and support all refund if there is some defect