Sell Wireless Doorbell Entry Welcome Alarm Chime Motion Sensor Detector System best price

Feature:100% Brand New! 315mhz frequency, advanced anti-interference tech, 256 digital code for setting, no interference with neighbors doorbells. p to 200m Wireless working distance in open area, 100m for indoor use. (with antenna for Chime Receiver) High sensitive motion detection due to built-in microcomputer in sensor transmitter, adopts advanced digital and fuzzy logical control technology; Digital temperature compensation, anti-irradiation and anti-RFI; 16 melodious bell chimes with volume adjustable, besides, you can set up different tones to distinguish which sensors is alarming when use more than 1 sensors. Sensor transmitter with installation brackets, convenient to adjust detect angles as need. 3 working models can select: Flash only. White flashing indicator, perfect for quiet environment or Deaf or hard of hearing use. Sounds +flash Sounds +flash+night lighting Easy installation,Powered by battery or DC 5V, very convenient and simple for use. Support 1 or more Transmitters and Receivers works as one group. Transmitter Material: ABS Size:80 x *55 x 40mm Power supply: DC5V,(3.5mm power adapter) (Not Include) Battery:AAA1.5x3(Not include) Working Method: PIR motion sensor Sensor Detect Distance:up to 5-8 meters Sensor Detect Angle:30-120 degree (adjustable by damper and rotation design) Operate Buttons:DC5V power socket, ON/OFF button,Songs selection.Rotation wheels for digital code setting. Chime Receiver Material: ABS Size:96*63*33mm Power supply: DC5V,(3.5mm power adapter) (Not Include) Battery: AA1.5Vx3(Not included) Operate Buttons:switch for 3 working models, DC5V power socket, Volume adjustment.Rotation wheels for digital code setting.