4VWIN Home Security Wireless Driveway Alarm 1 Receiver and 2 PIR Motion Sensor



Long distance: communication range of up to 400??metres (distance between the sensors on the receiver) and detection range of the infrared sensor is approx. 30??ft. allow a Advanced and extra guest (or warning, intruders area) The alarm ring in the receiver ranges from 90??dB to 115dB.You can choose high volume chime/Low Volume chime Power supply (receiver): 1.5??V C batteries x 3??or 6??V DC Mains Adaptor (not included in box contents); Do not use at the same time in the case of host would be burned. Power supply (PIR transmitter)???????9??V DC batteries (not included in box contents) One transmitter can be attached to most, connect with 50??receivers and one receiver can connect also with 50??station at most. Adjust the detector not placed in areas where the wind is move it., also try to create the detective in a clear track to the receiver, you can make it optimal performance.