Cover interface standards: GPS L1 Total output power: 0.2Watt Antennas External Omnidirectional Every band frequency can select output power All the TX frequency covered down link only. Battery: Ni-Mh battery DC5V/1100mA Work time: 180 Minutes Support Powered by car cigarette charger Automatic power switching power supply: 50 / 60 Hz / AC 100 ~ 240V Humidity: 5%-80% Can OEM or ODM for specially request Effective range: Up to 10meters radius Dimension: 95mm(H)*45mm(L)*18mm(D) not include antennas. Whole Weight: 0.36KG