... LED, 1* wifi network LED light;9.I/O Ports: 1*USB 2.0 host,,1*Mic jack, 1*earphone jack, 1*DC-In jack ,1*SIM ... -STD-810G; Drop: about 4 feets or 1.2M ;13. Work Temperature: operation: -10-50 C, Storage: -20-60C, Humidity: 0%-90 ... TK1,2 & 3) ,B: Barcode scanner: 1D/2D barcode scanner;C: RFID Reader: HF 13.56MHZ, ISO Standard 14443A (B), 15693 ...