4 power levels, button selection setting 1.7-1.8-1.9GHz video transmission transmitter (compatible with PAL and NTSC) compact structure, small size, high transmission power Using large-scale integrated circuits and automotive-grade components, high reliability Built-in frequency phase-locked loop, low harmonic radiation, high reliability, stability using digital phase-locked loop circuit, no temperature drift phenomenon Support TBS protocol osd parameter adjustment Weight: 13.5g (without antenna) Size (length x width x thickness): 36x36x10mm. Fixing hole 30.5 x30.5mm spacing. Working voltage: DC7V-36V (2s-8s) Working current: 700MA±100MA at 12v Maximum power consumption: 7 watts RF transmission power: 34dbm (2.5 W) -8 working channels, button selection setting Colour:Black Material:Plastic + Metal Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * VTX Kit(Random appearance and color of accessories, don't accept the specified color) 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.