Sell 【ready stock】 Home Security Wireless Doorbell Waterproof AC 100-240V 300M Range Door Bell 【REEU】 best price

Package Included: 1X receiver 1X emitter 1X double-sided adhesive Specifications: Model: A20 Scope of work: 300M Music choice: 36 ringtones Volume selection: 4 tone volume adjustable size. Power supply voltage: transmitter uses a 12V23A battery, receiver: 110/220v Size: transmitter: 7.7*4.6*2cm, receiver: 9*5.6*2cm Scope of application: family business residential areas, office buildings, hospitals, restaurants, factories and other places. Description: Feature： 1. 300 meters long distance, adjustable tone can change music, prevent string noise is not wrong, simple installation. 2. Indicator, receiver, volume key, selection key, launcher button. 3. Distance barrier-free 300 meters penetration, strong penetration performance, receiving distance to the Air-to-Ground linear distance can reach 300 meters, note: the actual received signal visual environment changes, different signals due to obstacles are different 4. Easy to install: press the button, ring the bell in the room, the receiver installed in the room can be plugged in, receiver intelligent flash, the bell lights