Overview Provides up to 200m wireless range and 52 doorbell tunes so you always know when visitors arrive. 4 level volume control. IP56 rated doorbell button. This doorbell is ideal for business use as it allows for one button to be paired with unlimited door bell chime receivers. Or alternatively, pair up to 8 buttons to multiple chime receivers. This allows you to ensure you are notified when someone arrives at your door, no matter where you are in the premises. Requires 23A battery for transmitter and 3 x AAA batteries for receiver. 433.92MHz frequency. Features Easy to install One receiver can pair with 8 transmitters One transmitter can pair many receivers, theres no limit Battery Operated 200m Operating Range: 200M in open air 52 melodies available 4-Level Volume Control LED Indicator IP56 Waterproof Push Button Auto Learning code Specifications Power supply of receiver: 3PCS AAA battery Power Supply of transmitter: 12V 23A Alkaline Battery Power Consumption of transmitter : < 10mW Receiver power consumption :< 0.4W Working temperature: -20? to 50? Frequency: 433.92 MHz Installation method : Double sticker or screws *Specifications are subject to change without notice.
