Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si Designed for HD VTX, it features a dual 9V@2A for O3 and 5V@3A for external device BEC solution to prevent screen blackout on the O3 due to low voltage during throttle increase. It includes a new O3 6-pin PMU for easy installation without soldering, reducing assembly complexity. Newbie friendly. The power range of 2-3S provides increased thrust and improved control with a 20A ESC featuring a single NMOS for continuous current capability. The upgraded onboard receiver allows selective power cutoff for saving power and offers additional UART TX3 and RX3 ports for connecting the external device. Redesigned solder pad layout ensures larger, more secure pads for easy and reliable soldering, while the relocated USB port at the rear facilitates computer tuning. It features an STM32F405RGT6 chip, Integrate Serial ELRS 2.4G receiver, 16M , barometer, current meter, reserve 3 complete serial ports and a standard SBUS, support GPS, HD VTX, external receiver, and other equipment. Colour:black Material:Pc+metal Package Contents: 1 x F4 2-3S 20A AIO FC V1 4 x M2 x 10 Machine Screw 4 x M2 x 10 Nylon Screw 4 x M2 Nuts 4 x Shock Absorbing Ball 4 x JST1.25mm Angle Socket 4 x JST1.25mm Straight Socket 1 x SH1.0 4Pin Adapter Cable 1 x Type-C to SH1.0 Adapter 1 x XT30 Power Cord 1 x Filter Capacitor 1 x 30mm Double-head VTX connector wire 1 x 60mm Single-head VTX connector wire 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.