Input Voltage: 2-6S LiPo Battery Output Voltage: 5V/2A; 9V/2A, Default 5V Output, 9V Output via Solder Jumper Direct-connect, plug-and-play with original-wiring! Compatible with for O4/O4 PRO/O3 digital image transmission devices. Input Voltage: 7-26V, 2-6S LiPo (Input voltage must be higher than the set output voltage by +0.8V; otherwise, the output voltage be -0.8V). Output Voltage: 5V, 9V selectable. Default output is 5V, 9V output selectable via jumper Output Current (Continuous): 5V/2A; 9V/2A Color:As Shown Material:PCB Package Contents: 1 * Mini BEC 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.