DOOR CHIME

Product Details:
FEATURE
Patented technique of lowest radiation to ensure CE approval even with long distance.
Anti- interference digital technique. 19683 different codes.
Radio technique. Even if the transmitter is put on the iron door, the receiver can still receive the signal from the transmitter.
IP44 waterproof transmitter.
Working distance is more than 60m.
Different melodies for option.
Energy-saving technique. 3譒R6 batteries of receiver can work for around 6 months and battery for transmitter for around 2 years.
8 different chord melodies or 16 different melodies for option.
TECHNICAL DATA
Transmission: radio.
Frequency: 433.05MHZ-434.79MHZ or 315MHZ
Transmitter power:<5mw
Current consumption while not working < 0.15mA
Loundness level: 80 dB
Code number: 19683
Battery required
DATTERY REQUIREMENT
Bell push-1?2V alkaline battery (23A).
Door chime-3譇A alkaline batteries(Lr6).
Averagely three times a day,5s a times,battery.
Lr6 can be used for nearly 0.5 year,battery 23A can be used for more than 2 years.