HDL-MTS57.1WI S57 5.7 Inch Touch Screen S57 5.7 Inch Touch Screen, Andriod system, Support Wifi and Bluetooth,with Rj45 andMicro 5-pin terminal, POE, Support Intercom function by working with HDL ON App, Built Builtin proximity sensor,temperature sensor,humidity sensor,Gravity sensor, Motor and Microphone Parameters Model HDL-MTS57.1WI SKU 821012 Bus Power mA Width 81 mm Height 150 mm Depth 32 mm Weight 200 g Material CustomOne CustomTwo CustomThree CustomFour CustomFive Discount category A 4 pcs in stock in stock in stock You can buy these goods through registered HDL partner. Question to product