... in open area);Waterproof Transmitter,enable to avoid of rain/stream,etc;Wide angle lens and Infrared Night Version camera,work well even ... quality;Calling out,Surveillance,Automatically Unlock and Doorbell,etc functions;Camera Resolution:320*240 pixels;Power Supply: DC 12V,5A( ... service,with experienced and qualified personnel working with you step of the way,from Design,R & D,Mold Making,Toloing ...