... 2)barocde scanner,gprs,rfid,gps,camera 3)3500mah battery 4)SDK,soucecode free --Integrate Barcode Scanner , with ... communication)supportPower BatteryCharging methodCharging time Rechargeable 3.7V,2000mAH battery Enclosed power supply5hours Support functionsRFIDBarcode Scaner(ID/2D) ... concreteIP65(water-proof,dust proof, drop resistance) industrial android barcode scanner pda android os wifi 3G