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 - +50/-4 - +122H Working humidity: 85%RH Storage temperature: -40 - +80/-40 - +185H Weight:81g Voltage: DC+12V Current:500mA Transmitting power: 1500mW Working frequency band: 1.2G/1.3G Channel selection: 8-channel audio and video synchronization Open outdoor aerial photography distance: 16-22KM Different batches may result in different product appearances, printed text, and colors, which do not affect usage. Colour:Gold Material:Metal Size:73x41x14mm Package Contents: 1 * VTX 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.