KERUI Long Range Wireless Driveway Alarm Indoor Door

$29.99 (as of July 8, 2020, 12:47 pm)

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PIR SENSOR picks up any movement 20ft in front of it, and send a signal up to 500ft (in open area) long range back to the receiver which chimes. The sensor is a passive infrared motion sensor that detects heat movement, 90 degree viewing radius from dead center, can be adjusted by 2 window covers in the kit. With the durable plastic lens and weather resistant casing (waterproof IPV4), it is suitable for monitoring proximity outdoor areas such as driveway, front door, porch, shed, garage, etc.
RECEIVER has an ON/OFF switch and a VOLUME CONTROL. 16 alert sounds are selectable and each melody will play for a set duration, some repeat and sound off for 20s, some are as simple as doorbell rings and only last for a few seconds. Duration is dependent on the choice of the melody you desired. 5 volume levels up to 100 dB (MUTE included), along with the LED light indicator flashing, fantastic to give a visual alert that someone is coming up your door or the perimeter.

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