Description
•38 ringtones to choose from, with 3-step volume control.
•When someone rings the doorbell, the attractive backlight will flash. Especially suitable for the elderly, deaf, and pregnant women.
•Designed with a lifespan of up to 25 years
•Operating frequency: 433 MHz
•Receiving distance: 150 meters (in open areas)
•Transmitter size: 80x45x21mm Receiver size: 43x42x32mm
•Rated voltage of receiver: AC 110V-220V-240V
•Pre installed 12V23A transmitter factory battery (excluding battery)
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