Wireless Driveway Alert Infrared Motion Sensor Doorbell 1 PIR Detector with 1 Receiver

Wireless Driveway Alert Infrared Motion Sensor Doorbell 1 PIR Detector with 1 Receiver Function  • Using a PIR sensor to detected movement, the transmitter can be placed near the entrance of your driveway, garage, shop, small business, or anywhere you want to monitor traffic.  • When motion is detected the receiver releases a pleasant chiming sound and column settings can be adjusted to high or low.  • Can be mounted at your front door, gate, or driveway to alert you when people or vehicles enter your property.  • Monitor the entry to your store, restaurant, reception, or lobby and be alerted when customers enter or leave when you are out of sight.  • Mount the transmitter up to 120m away from the receiver, anywhere you want to detect traffic or movement (indoors/outdoors).  Specification:  Sensor : Transmitter:433MHz, range up to 120m Power supply: 3× 1.5V AAA batteries Detection range: 40 angle at 6m Receiver: Alarm level:  High :115dB                         Low: 90dB Power supply:3× 1.5V AAA batteries Certificate:    Welcome to our Factory If you have any interst,please contact me.