wireless doorbell/wireless alarm system home security

  wireless alarm system home security :   Features: 1)         · Suitable for homes, office installed in or outdoors buildings and ships etc. 2)         · 32 sounds selectable at either transmitter or receiver. 3)         · Transmitter uses 1x12V 23A battery (supplied). 4)         · 150m operating range. 5)         · Easy to install. 6)         · No electrical wires to install. 7)         · Suitable for Hard of Hearing with Strobe feature. 8)         · Low power consumption. 9)         . 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.	D8203
Frequency	315MHz±0.5MHz 433MHz±0.5MHz
Active pressure wave(receiver)	≤-57dbm
Negative pressure wave(button)	≤-36dbm
Power supply(receiver)	200/240V
Power supply(button)	1*12V 23A Alkaline battery
Working power consumption	≤5W
Transmit power	<10mW
Operating range	UP to 150 meters(OPEN AREA)
Sound options	32 melodies option

  Door Bell 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

      door bell packing: 2012 hot sale door bell:     door bell  PACKING :     wireless door bell packing:   DOOR BELL SWITCH:       About our superiority: ·We own advanced facilities and a professional team with wonderful technique. ·Best service, high quality, timely delivery.