For FPV Quadcopter RC Drone Colour:Silver+Gold Material:Aluminum alloy Receiver parameters: Working frequency band: 1.2G/1.3G Channel selection: 12 channel selection, digital display Sensitivity:-92dbm Unobstructed range:2KM (actual distance is affected by the environment) Transmitter parameters: Mediation type: FM Receiving frequency: 0.9-1.2GHZ Receiving signals: audio, video, and image synchronous transmission Receiving sensitivity:-85dBm Video input level: 1Vp-p Audio input level: 1Vp-p Working temperature:-20-+50C/-4-+122H Working humidity: 85%RH Storage temperature:-40-+80C/-40-+185H Voltage: DC+12V Current:500mA Transmitting power: 2000mW Working frequency band: 1.2G/1.3G Channel selection: 8-channel audio and video synchronization Due to different batches, the appearance, color and printed words of the product , which not affect the use. Package Contents: 1x receiver kit 1x transmitter kit 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.