1.Material: Aluminum alloy 2.Color: Grey + silver + white 3.Operating Temperature: 0~70'C 4.Operating Humidity: 0~95% 5.Other: Frequency response: DC 6MHz; Resistance: BNC: 6.75ohm, UTP: 100ohm; Power: DC 12V; With LED indicator: red: power, green: video signal; Size: 105 x 100 x 38mm 7.Packing List: 2 x Transceiver8.1 x Chinese user manual 9.Dimensions: 4.80 in x 3.39 in x 0.94 in (12.2 cm x 8.6 cm x 2.4 cm)