Driveway BITIWEND Wireless Waterproof Batteries Review

【Driveway Sensor Wireless】Should be used together with RECEIVER. Passive Infrared (PIR) sensors are sensitive to detect motion from vehicles or people.The range from the sensor to the receiver is up to 500 ft and the sensor detection range is up to 13ft. 【Waterproof】With waterproof design,it can detect movement in the surrounding areas - driveways, front porch, gates, home, sheds, walkways, swimming pools, etc. Batteies are NOT included (AA*4 needed). 【52 Chimes & LED Indicator】Features 52 chimes (ONLY play ONCE) and 4 sound level,you can set different ringtones as per your needs.The LED flashes to perform a visual alert, excellent for the hearing impaired. 【Expandable & Easy Installation】Build your own security alert system by adding more receivers or motion sensors. Expandable up to 20 sensors and unlimited receivers.Simply plug in the receiver and mount the detector anywhere you want with screws. 【1-year quality service】Motion sensor aren't error-proof - animals, insects and foliage might trigger the alarm. Any quality problems,please contact us direcrly,we offer 1 year quality service from purchase date.