Eye-catching backlight flashes when someone pushes the doorbell. Particularly suitable for the elderly, deaf, and pregnant women. If paired with multiple push units in one system, the chime can be set individually for each push unit. It uses machine-learning to prevent interference from other wireless transmitters. Automatically saves selected ringtone after power off. Designed to last up to 25 years!
A must-have Home Intelligent Wireless Doorbell!
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Estimated delivery time 14-30 days
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