EMASIFF Home Welcome Doorbell Intelligent Wireless Doorbell Waterproof 300M Remote EU Plug
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• 38 ringtones to choose from and 3-step volume control (0~85dB).
• Eye-catching backlight flashes when someone pushes the doorbell. Particularly suitable for the elderly, deaf, and children.
• Uses machine-learning to prevent interference from other wireless transmitters.
• Designed to last up to 25 years.
Working frequency: 433 MHz
Receiving distance: 300M(in open area)
Transmitter size: 75 x 51 x 20 mm
Receiver size: 95 x 65 x 24 mm
Receivers Rated voltage : AC 110V-220V -240V
The transmitter 12V23A battery factory pre-installed (battery not included)
1 Black transmitter and 1 Black receiver