Wireless Door Open Chime, door sensor chime,Door Window Security Alarm-Operating,Range – 650FT/52 Chime Tunes/LED Indicators,1 Magnetic Door Chime Sensor(Battery included)& 1 Plug in Receiver
This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases Specifications:Maximum 650 feet or 200 meters operating range in open area Up to 52 unique ringtones30-110 dB Volume rangeLED indicatorsOperating Voltage: 3 V DC (1 X 12V23A Battery)Working Frequency: 433.92 MHz ± 280KHz Transmitter power consumption: Product Features Magnetic Door Sensor&