30.5x30.5mm Holybro KAKUTE F4 V2.4 Tekko32 F4 4in1 50A ESC Stack Flight Controller 5V 9V BEC / Atlatl HV V2 0.5/ 25/ 200/ 500/ 800mW VTX for RC Drone FPV Racing Precise details: Specification: Brand: Holybro Model: Kakute F4 v2.4 Stack Optional Version: NO VTX/ With VTX Kakute F4 v2.4 Flight Controller MCU: STM32F405 IMU: MPU6000 Barometer: BMP280 OSD: AT7456E 5x UARTs (1,3,4,4,6,7) 128 Mbit Dataflash chip Battery input voltage: 2S-8S BEC 9V/3A - Optimized for DJI O3 Air unit BEC 5V/2A 7x PWM Outputs (6 Motor Output, 1 LED) Supports serial receivers (SBUS, iBus, Spektrum, TBS CRSF, ESLR). Mounting - 30 x 30mm, Φ4mm hole with M3 Grommets Dimension - 37x37mm Weight - 7g JST-SH1.0_8pin port (For 4in1 ESCs) JST-SH1.0_6pin port (For DJI/Caddx HD System and other VTX) Tekko32 F4 Metal 4in1 50A ESC Continuous Current: 50A x4 Burst Current: 60A x4 Supports 4-6S battery Supports DShot 150/300/600/1200 & MultiShot/OneShot/Proshot/PWM etc. ESC telemetry Supported Onboard analog current sensor No output BEC BLHeli_32 firmware 1000uf 35v capacitor included (highly recommended for 6s setup) Amperage meter scale ratio: 120 (V1.9 Version) Dimensions: 48x37x6mm Weight: 13.8g Mounting holes: M4 30.5x30.5mm (M3 grommets included) Features: New and faster F4 MCU @ 150Mhz (compared to F3 @108Mhz & F0 @48Mhz) PWM Frequency: 16k to 96k Separate drive & control circuit, this broadens the current capability of the drive circuit while reducing the electrical interference to the control circuit. NO VTX Version：without VTX Module With VTX Version ( Manual) Model: Atlatl HV V2 VTX Output Power: 0.5 mW (pit mode), 25 mW, 200 mW, 500 mW, 800 mW Audio: 6.5 MHz Mono Protocol?smart audio2.0 Antenna Connector: MMCX Input Voltage: 7 to 28 volts (2-6S LiPo) with absolute maximum 42 volts Dimensions: 35x25x7mm (Includes USB height) Mounting Holes: Standard 30.5mm square to center of holes Weight: 9.3g Package Included: NO VTX Version1x KAKUTE F4 V2.4 FC 1x Tekko32 F4 Metal 4in1 50A ESC 1x Electrolytic capacito: 1000uF 35v 1x 8pin to 8pin 1mm pitch 65mm cable 1x 8pin to 8pin 1mm pitch 25mm cable 1x JST SH 6pin to JST GHR 8pin 80mm &150mm cable (for DJI/Caddx HD System) 1x JST SH 6pin 100mm cable(for Caddx HD Systems) with VTX Version1x KAKUTE F4 V2.4 FC 1x Tekko32 F4 Metal 4in1 50A ESC 1x Atlatl HV V2 VTX 1x Electrolytic capacito: 1000uF 35v 1x 8pin to 8pin 1mm pitch 65mm cable 1x 8pin to 8pin 1mm pitch 25mm cable 1x JST SH 6pin to JST GHR 8pin 80mm &150mm cable (for DJI/Caddx HD System) 1x JST SH 6pin 100mm cable(for Caddx HD Systems) 1x 80mm SMA-MMCX Cable 1x JST GHR 4pin 150mm cable