Transmitter Parameter: Working Voltage:DC12V Working Current: less than equal 400mA Working Frequency:1.2G-1.3G Working Channels:8CH Connector: transmitter module side RP-SMA jack Frequency:CH0:910 CH1:980 CH2:1010 CH3:1040 CH4:1080 CH5:1120 CH6:1160 HC7:1200 HC8:1240 CH9:1280 :1320 CHC12:1360 CHD:1258 CHE:1100 CHF:1140 (MHz) Working Power:1500mW Transmitting Range:1000m~2000m (In Open Fields) Receiver Parameter: Working Voltage:DC12V Working Current: less than equal 260mA Working Frequency:1.2G Working Channels:12CH Connector:receiver module side RP-SMA jack Receiving frequency: 1.2GHz - HC1:910 HC2:980 HC3:1010 HC4:1040 HC5:1080 HC6:1120 HC7:1160 HC8:1200 HC9:1240 HC10:1280 HC11:1320 HC12:1360(MHz) Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Color: Silver & Golden Material: Metal Package Contents: 1*Transmitter 1*Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.