Features:
1. With stable performance and fast response speed, running BLHeli_S  firmware.
2. Supporting D-shot150/D-shot300/Oneshot125/Multishot/PWM.
3. Adopting high grade electric speed controller chip EFM8BB21F16G MCU that with good performance, and it's working frequency is 48MHz.
4. Easy wiring, simple and convenient to install.
5. High-TG PCB plate, four-layer board design, CPU using EFM8BB21F16G.
6. Mini size and lightweight.

Specifications:
Firmware: BLHELI_S
Working Voltage: 2-4S
Working Frequency: 48MHZ
Constant Current: 28A
Peak Current: 35A
BEC Ouput: NO
CPU: EFM8BB21F16G
Size: 31 * 27mm / 1.2 * 1.06inch
Mounting Hole Spacing: 20 * 20mm / 0.8 * 0.8inch
Support: for D-shot150/D-shot300/Oneshot125/Multishot/PWM
Package Weight: Approx. 7g
Type: RC Accessory

Package Include:
1 x Electronic Speed Controller
1 x 6P signal line
8 x Nylon column 
4 x Nylon nuts