KERUI DW9 Waterproof PIR Motion Detector Driveway Alarm Garage Welcome Burglar Alarm System LED Wireless Driveway Security Alarm
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Reliable Range – Communication range of up to 100m/328ft (the distance from the sensors to the receiver/alarm/chime) and detection range of the infrared sensor of approximately 6-8m/18-36ft to keep you informed and safe.
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User-Friendly – The alarm in the receiver has a ring volume up to 100dB, 3 mode choices (Sound/LED Flash/Sound and LED Flash) and 16 songs choices
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Dependable Technology – Our sensor uses a state-of-the-art passive-infrared (PIR) to detect any movement of human bodies or vehicles within the detection zone. Perfect for long or hidden driveways to allow you just a little extra warning before guests (or intruders) arrive.
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Expandable – If you have more than one driveway or area you would like to monitor, you can expand this system with multiple sensors and receivers
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Power Supply – DC5V/3AAA battery can be used for the receiver, DC3V/2*AA batteries can be used for the Motion Detetor, but don't use them simultaneously in case the host would be burne .(batteries are not included)
Two different illumination ranges to switch