USA

Doorbells without batteries

 prices on 1 model  

 

— a kind of wireless bells with a receiving module powered by a standard 230 V household power supply. Inside the transmitter, such bells have a hidden mechanism with a piezoelectric element. By pressing it, there is a potential sufficient for the personal code of the call button to go on the air. The communication range of such devices often exceeds 100 m — they can be safely used not only in apartments, but also in private homes.
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Features 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 preg1nant wo more→men If paired with multiple push units in one system the chime can be set individually for each push unit Uses machine learning to prevent interference from other wireless transmitters Automatically saves selected ringtone after powering off Working frequency 433 MHz Receiving distance 300M in open area Transmitter size 75 x 51 x 20 mmReceiver size 95 x 65 x 24 mm Receivers Rated voltage AC 110V 220V 240V The transmitter 12V 23A battery battery not included Reminders 1 The button …
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