3.5‐inch large screen TFT‐LCD display; 

English menu; display brightness / contrast / color
saturation adjustable; backlight brightness adjustable;
video format display; video signal strength of
measurement; NTSC / PAL standard color of the image
multi‐system generator; PTZ PTZ control, preset bit is set
and the call; UTP network cable testing and number
display; PTZ data analysis to capture; RS485
communication address scan; DC12V 1A power output;
audio test; polymer lithium battery, power supply 12
hours; precision, full‐featured digital multimeter.