Autoview Reverse System 7 inch Water Proof 302155 universal and economical: ergonomic angle fully press the Power universal and economical: ergonomic angle grinder for any application PRIMARY INPUT VOLTAGE 230V Single Phase All power connection and video switching on the AVRS7K is done at the monitor (input voltage 12 24VDC) no need for separate control box etc Wide viewing angle Monitor (15 up 35 down 45 left 45 right Speaker included in Monitor for Audio from Camera High Brightness Monitor Auto Switching PAL NTSC 1 x Anticorrosive Sony CCD Day Night (Camera included AVRC01) Operating Temp 10C +60C (+ 3) Waterproof IP68 4 IR LED To Assist with Night Vision (10 12 metre) 120 Degree Viewing Angle Package Contents: 1 x 7 inch Colour Waterproof TFT Quad Monitor Free Standing This system also integrates a microphone in the camera and a speaker at the monitor so both Video and Audio can be obtained by the driver operator