Processor Qualcomm MSM8909   Memory RAM:1G,ROM:8G RAM: 2G, ROM:16G (optional) Micro SD (TF) port, support maximum 32GB OS Android 7   Display screen 5.5 inch with backlit color screen High resolution 1280*720 Support E signature Keyboard 2 Physical keys: Power button,Paper button 3 Touch keys: MENU, HOME,BACK Printer High speed thermal printer with 58mm(width) x 40mm(diameter)  paper roll   Camera Front Camera : FF, 2M pixel Rear Camera: AF, 5M pixel, automatic focus, flashlight, fill light,used  for bar code and QR code Magstripe Card reader Triple track (Trackl,2,3), bi-directional, compliant with ISO 7810, 7811,7812 IC Card reader Comply with ISO 7816,support SLE4442,SLE4428 memory card Contactless Card reader 13.56MHz, supports ISO 14443, Type A/B Communication Support 4G Network, compatible 3G/2G WiFi 2.4G wifi 802.11 b/g/n; 2.4G/5G WiFi 802.11 a/b/g/n(optional) Blue-tooth BT 4.x with BLE support Card slot 2 SAM card slots,2 SIM slots,1 Micro SD card holder Peripheral Ports 1x micro USB port, support OTG 1x 3.5mm earphone jack GPS GPSGLONASSBeidou   Charge MICRO USB Input : 110-240V , AC/50-60Hz Output : 5V DC/2A Battery Rechargeable lithium battery with 3.8V/6000mAh capacity Optional Accessory Fingerprint identification Smart Charing dock(support LAN, RS232, scanner dock) Size 205mm(L)×82mm(W)×48mm/30mm(T) Weight 500g(Battery include)   Environment Working TEMP:-10℃ ~ 50℃ Storage TEMP:-20℃ ~ 70℃ Relative humidity:5%~95%, non-condensing