Compact unit design and covered with aluminum alloy housing, compatible with mainstream video glasses for flush mounting. High-performance circuitry with full-range sensitivity below -95dB. Supports 3.3GHz BAND A and B, providing operating frequency from 3170-3470MHz. Built-in digital tube displays current operating status. Whether you're into professional racing or recreational flying, this VRX is built to boost your drone's performance and provide a superior aerial video experience. Video Output format:CVBS PAL/NTSC Frequency band:3170-3470MHZ Channel Frequency: BAND A 3330 3350 3370 3390 3410 3430 3450 3470 BAND B 3170 3190 3210 3230 3250 3270 3290 3310 Receiving Sensitivity:less than equal -95dBm Input Voltage:DC 5V The product appearance and printed words depending on the batch, but this does not affect use. Colour:Black Material:aluminum alloy Package Contents: 1 * VRX 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.