ESC 30A Brushless UBEC Electric Speed Controller 3A Skywalker with T Plug and 3 5mm Bullet Plugs for RC Helicopter

? Pre-soldered with T plug and3.5mm bullet plugs for easy connection. ? Safety Arming Feature: Regardless the throttle stick position, the motorwill not spin after battery connected.  ? Throttle Calibration: Throttle range can be configured to provide bestthrottle linearity, fully compatible with all market availabletransmitters.  ? Selectable program setting. ? Full Protection.  ? 100% brand new.    Specification:   1. Continuous current: 30A  2. Burst Current (>10s): 45A   3. BEC output: 5V 3A  4. BEC mode: Linear   5.BEC Output Capability: 5 Servos (2S Lipo) / 4 Servos (3S Lipo) 6. Battery Cell: 2-3S (Lipo) / 5-9 cells(NiMH) 7. Maximum speed: 210000 RPM (2 polesmotor), 70000 RPM (6 poles motor), 35000 RPM (12 poles motor). 8. Usage: Apply for 400/450 helicopter 3D,and 32 level fixed wing sports 9. Weight: 39g 10. Dimension: 68mm x 25mm x 8mm   Package includes: 1pack ESC 30A