Home wireless remote doorbell, digital musical doorbells

Home wireless remote doorbell, digital musical doorbells  D681   Features:   1)    · Suitable for homes, office installed in or outdoors buildings and shops etc.   2)    · 32 sounds selectable at receiver   3)    · Transmitter uses 1x12V 23A battery (supplied)   4)    ·  Receiver uses  2×1.5V AA or AC 220V   5)    · 100m operating range   6)    · Easy to install   7)    · No electrical wires to install   8)    · Suitable for Hard of Hearing with Strobe feature   9)    · Low power consumption   10)  · CE certificate     *Although line of site is not required, the maximum range is based on optimal conditions with minimal interference. Wireless range is affected by objects such as walls, trees, etc. Actual range may vary, depending on environment.   Technical parameters  

Model No.	D681/A681
Frequency	315MHz±0.5MHz 433MHz±0.5MHz
Active pressure wave(receiver)	≤-57dbm
Negative pressure wave(button)	≤-36dbm
Power supply(receiver)	2×1.5V AA battery or AC 220V
Power supply(button)	1*12V 23A Alkaline battery
Working power consumption	≤5W
Transmit power	<10mW
Operating range	UP to 100 meters(OPEN AREA)
Sound options	32 melodies option

    About our superiority:   ·We own advanced facilities and a professional team with wonderful technique. ·Best service, high quality, timely delivery.     Packing  

Carton	pcs/Carton	G.W (kg)	N.W (kg)	MOQ	CTNS/20"FC	Certificate
Battery wireless doorbell (DC)
0.045 CBM	60	9.00	8.00	3000	620	CE
Plug-in wireless doorbell (AC)
0.061 CBM	60	12.00	11.00	3000	460	CE

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