Fangrui Product Details 1. Compatible With Any Pal Or Ntsc Camera. 2. No-yaw Digital Phase-locked Loop. 3. Supports Irc Protocol. 4. Input Voltage Range:7-36v. 5. Supports 16 Frequency Channels (16ch). Supports 20x20mm Mounting Holes With M2 Screws. Four Adjustable Power Levels: 25mw/400mw/1000mw/2500mw. Mmcx Antenna Interface. Dimensions: 53.5 X 27.8 X 11.6mm. Weight: 23.96g. Wiring Table And Usage Notes: 1. Sufficient Space Around The Module During Installation To Allow For Airflow And Proper Heat Dissipation. If The Module Overheats, It May Activate Thermal Protection, Reducing Or Even Disabling Power Transmission. 2. Before Connecting Power, Verify That The Voltage Range Is Correct And The Polarity Is Accurate To Avoid Damaging Components. 3. Confirm That The Rf Output Port Has An Antenna Installed Before Powering On To Extend The Modules Lifespan. Note:due To Different Production Batches, The Printed Words May Be Different, Which Not Affect The Use. Colour:as Shown Material:aluminum Pc Package Contents: 1 * 3.3g Vtx 1 *