[Long Transmitting Range] This wireless driveway alarm has a 328ft transmitting range (actual range will vary depending on the real surroundings). 2 options of infrared motion detecting range: 20ft / 40ft. Choose the detection angle between 45° and 90° by changing the sensor head. Ideal for driveways, walking paths, and anywhere of your property you want to be alerted.
[Ultra Reliable Motion Sensor] Advanced signal analysis and processing technology to provide high-precision detection and low-rate false alarm performance. Waterproof and fully-enclosed design enable this driveway sensor alert system to work perfectly both outdoor and indoor. The motion sensor is powered by 2 x AA batteries (included).
[Expandable & Easy Installation] Build your own security alert system by pairing more receivers or motion sensors. Expandable up to 20 sensors and unlimited receivers for complete coverage of your property. Simply plug in the receiver and mount the detector anywhere you want with screws. Also great to alert business owners with chime alarm when customers entering the stores.
[32 Chimes with 5 Volume Levels] Features 32 unique ringtones and 5 adjustable volumes with mute mode, customizing doorbell tone and volume to personal preference to meet your need in different time and places. The LED light indicator flashes to perform a visual alert, excellent security alert for the hearing impaired.
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