Features: Premium PCB board and electronic components are solid and durable, offering long service life. The board is designed with a rational layout. It is very easy to solder external electronics. The JHEMCU Ruibet 55A ESC is a great choice for your next performance drone build. Great design and manufacture offer unparalleled performance and reliability. The package includes 1 * RuiBet 55A 4-in-1 ESC, 1 * 8P*1.0mm double-ended plug cable, 1 * XT60, 1 * 1000UF/35V capacitor, and 2 * 16/12 AWG wire. Specifications: Item Name: RuiBet 55A 4-in-1 ESC Material: PCB Board + Electronic Component Input Voltage: 3-6S (11-27V) Continue Current: 55A * 4 Channels BEC: No Current Meter: Yes Installation: Hole Pitch 30.5MM/M4 Firmware: BLHELI_S J_H_15_REV16_7.HEX Color: Black Weight: 15.5g Package Information: Package Size: 50*50*20mm Package Weight: 27g Package List: 1 * RuiBet 55A 4-in-1 ESC 1 * 8P*1.0MM Double-Ended Plug Cable 1 * XT60 1 * 1000UF/35V Capacitor 2 * 16/12 AWG Wire