• Wireless and easy installation

• IP55 waterproof for outdoor use

• Reception distance of 300 meters

• 55 music ringtones optional, when the music is on, the indicator light flashes simultaneously

• 5-level volume control (0 ~ 100dB), the sound is loud and clear

• No batteries required for the plug-in receiver. The push-button attached to the door frame with the adhesive

• Using a high-quality speaker, ring the doorbell with pure music, high decibels

Specification:

• Material: PCB

• Transmitter: 75*34*18.5mm

• Receiver: 81*81*25mm

• Receiver voltage: 110-260V/50-60Hz

• Transmitter battery: 12V/23A battery

• Battery capacity: 55mAh

• Battery life: 6 months

• Working temperature: -30℃ to +70℃

• Working frequency: 433.92MHz±280KHz

• Number of ringtones: 55

• Transmitter rating: IP55 waterproof

• Working distance: 300 meters

• Five-level volume: 0-110 decibels, 0 decibels: silent and flash mode