This module is a short-range micro-power radio communication device that can transmit video signals within a limited range. It adopts a single-chip design, which integrates VCO, PLL, and broadband FM video modulation. Small size, lower power consumption. 2.4G broadband FM wireless transmission technology. Transmission frequency: 2.37-2.51GHz. Wide range of operating voltage: 3.6-5V DC. Low power consumption: 100mA. High power transmission: 17dBm. Long transmission distance: 100 meters (open straight line without obstacles). Color: Green Material: PCB Package Contents: 1 * Wireless video transmitter module 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.