• 55 ringtones available: Users can set any music as the doorbell ringtone according to their personal preferences
• Learning code: users can flexibly increase or decrease receivers and transmitters according to their needs, and the pairing method is simple and easy to operate
• Memory function: the set ringtone can be memory after power failure, and the set ringtone will still ring after power is turned on
• Long working distance: the working distance can reach 300 meters in an open and barrier-free environment, the signal is stable and does not interfere with each other
• Waterproof: With IP55 grade dust and water protection, durable to use
• LED light design: Designed with LED light, the light can be turned off as your needs

Specifications:

• Material: ABS
• Transmitter waterproof level: IP55
• Working distance: 300 meters (open and barrier-free)
• Volume: 0-110dB, five-level adjustment
• Receiver voltage: 110-260V/50/60Hz
• Transmitter battery: 1 x 12V 23A alkaline zinc-manganese battery (included)
• Ringtones: 55 polyphonic music
• Working frequency: 433.92MHz±280KHZ
• Working temperature: -20 to +70℃
• Color rendering index: 85
• Rated power: 0.3W
• Light source color temperature: 3200K
• Receiver size: 95*65*33mm
• Transmitter size: 85*35*15mm