Moderation type: FM Receiving frequency: 0.9-1.2GHZ Receiving signal: audio and video, image synchronous transmission Video input level: 1Vp-p Audio input level: 1Vp-p Transmitting frequency:1080/1120/1160/1200/1240/1280/1320/1360(MHz) Working temperature:-20-+50/-4-+1 22H Working humidity:85%RH Storage temperature:-40-+80 Weight:39g Voltage:7.4V-26V Current:500mA Transmitting power:3W Working frequency:1.2G/1.3G Channel selection:8 channels audio and video synchronization Open outdoor aerial photography distance:16-22KM Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Colour:Silver Material:Metal Size:79.1x31.5x12.5mm Package Contents: 1 * VTX 1 * Y-Type Antenna 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.