4” IPS screen and QWERTY flip keyboard with 45keys;Support H.264/H.265 HD decoding protocol;Support IP, HDCVI/AHD/TVI/CVBS;Support audio and RS485 control;Support TDRnetwork cabletestanddigital multi-meter function;Support PoE+, DC12V/2Apower out;Replaceable 7.4V/22.2Whpolymer lithiumionbattery , which can last 8hours for normal use;DualLEDflashlight