... Camera: 5 megapixels, automatic focus.Bar code scanner: 1D/2D bar code scanning.GPS: yes.Wi-Fi 802.11 ... lines, as long as the USB port, can be charged anywhere, anytime 4. Dual power supply ... depleted, while backup battery fully charged state, can retain data for 4 hours, to prevent accidental ... drop resistance, dust and water proof and also can be operated under high / low temperature10.High-capacity ...