4 In 1 Brushless ESC 3-6S 30.5X30.5 M4 BLHELI_S Dshot600 ESC for RC FPV 1. High Performance ESC: The JHEMCU RuiBet ESC comes in two variants, 45A and 55A, designed to provide superior power and control for your FPV drone. This high-performance Electronic Speed Controller ensures smooth and reliable operation, making it ideal for both racing and freestyle flying. 2. Advanced Firmware: Equipped with BLHeli_S firmware, the RuiBet ESC offers advanced features such as bidirectional DShot, programmable RGB LED support, and seamless integration with flight controllers. This allows for precise tuning and enhanced flight performance. 3. Durable Build: Constructed with high-quality components, including robust MOSFETs and a well-designed PCB, the RuiBet ESC is built to withstand the rigors of intense drone flights. Its compact and lightweight design makes it easy to install on various drone frames. 4. Efficient Heat Dissipation: The RuiBet ESC features an efficient heat dissipation system, including a heat sink and optimized airflow design. This ensures the ESC remains cool even during high-current operations, enhancing its longevity and reliability. 5. Versatile Compatibility: Compatible with a wide range of motors and flight controllers, the JHEMCU RuiBet ESC is versatile and adaptable. It supports both 3-6S LiPo batteries, making it suitable for different power setups and flying styles. 6. Enhanced Safety Features: Safety is a priority with the RuiBet ESC. It includes features such as over-current protection, over-temperature protection, and low-voltage cut-off, ensuring safe and efficient operation under various conditions. Spec: 1. Input voltage: 3-6S (11-27V) 2. Continue current: 45A x 4 channels55A x 4 channels 3. BEC: None 4. Galvanometer: Yes 5. Installation: hole spacing 30.5MMM4 6. Overall dimensions: 39.5 x 41MM 7. Firmware: BLHELI_SJ_H_15_REV16_7. HEX 8. Weight: 14.5g Packing list: RuiBet 45A55A 4-in-1 ESC x 1 8P x 1.0MM double-ended plug cable x 1 XT60x1 1000UF