Thermal Printer Product Number :BY-3APrinting methodThermal printingCPUQualcomm8917(Snapdragon425)ARM Cortex-A53 4 core 1.4GHzOSAndroid 7.1Memory1G(RAM)+8G(ROM),2G(RAM)+16G(ROM)Display screen5.2''HD,1280*720,IPSTouch panelIn-cell,Multi point capacitance touch(5points)PSAM Card slot1*SAM card (Conform to ISO7816 standard)SAM Card slot1*SAM card (1.8v/3.0v)Tax control module12C or UARTCommunication modeGSM,WCDMA,TDD-LTE,FDD-LTENFCISO/ICE 14443 TypeA&B,Mifare cardWIFI2.4G/5G,support IEEE802.11 a/b/g/nBluetoothSupport 2.1/3.0/4.0,BLE,ibeaconGPSBuilt in GPS,support A-GPSGravity induction systemEquipped with accelerometerPrinting speed70mm/sPrint width58mmRoll diameter40mmRear camera5 megapixel autozoom cameraFront camera300,000-pixel fixed-focus cameraBar code scannerSupporting one-dimensional and two-dimensional bar code scanning readingBatteryBuilt in lithium battery,7.4v/2600mAhKeySwitch button,Volume control buttonSpeaker0.8W,85dBInterface1*Micro USB,support OTGInput AC100-240V,0.5AOutput5V/2ADimension198*79*48(L*W*H)Operating condition0°C-40°CStorage condition-20°C-60°CSupport customization development!