Sell Wireless Welcome Door Bell PIR Infrared Motion Sensor Doorbell Alarm Chime best price

Description: Welcome Mode: when the infrared sensor detects someone, it will send a message to the doorbell receiver, then the doorbell receiver can generate a "Hello, Welcome". Alarm mode: Can switch to alarm mode during night, the curtain launcher can detect the thief within 8 meters tough the infrared detection technology, and then send the signal to the receiver and then send the alarm. the alarm sound is up to 113db. Doorbell mode: 36 melodies for choice, 40mm big horn. Separate Design: Doorbell launcher and receiver can be separated by 280 meters apart. Night Light Mode: the receiver is quipped with led bulb, which has 4 levels brightness adjustments. Can be served as a night light in corridor or passway. Wide Application: Suit for shop, villa, office, restaurant, garage, factory, etc. Specification: Material: Resin Receiver Size: approx. 116x64x26mm/4.57x2.52x1.02 inches Transmitter Size: approx. 82x45x74mm/3.23x1.77x2.91 inches Receive Range: 8m Detection Angle: 100 degree(horizontal); 15 degree (verticle) Power Supply: 3xAAA Batteries or USB (Not included) Package Includes: 1 Piece Receiver 1 Piece Transmitter