ITEM NAME:30a Brushless ESC Rc Heli Motor Electric Speed Control B6P7 30a Brushless ESC Rc Heli Motor Electric Speed Control B6P7 Use top quality components to get strong current endurance. Low voltage cut-off protection / Over voltage protection / over-heat protection / throttle signal loss protection. 2 start modes: Normal / Soft, compatible with fixed-wing aircraft and helicopter. Throttle range can be configured to be compatible with most transmitters. Maximum motor speed: 210000 PRM (2 poles), 70000 RPM (6 poles), 35000 RPM (12 poles). Specifications: Continuous Current: 30A Burst Current (10s): 40A BEC Mode: Linear BEC Output: 5V / 2A Battery Cell: 2-4S (Lipo) / 5-12 cells (NiMH) Cable length: 25cm Item size: 5 * 2.6 * 1cm Item Weight: 25g Package including:1 x Brushless Motor Speed Controller Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Continuous Current: 30A. Burst Current (10s): 40A. Maximum motor speed: 210000 PRM (2 poles), 70000 RPM (6 poles), 35000 RPM (12 poles). BEC Mode: Linear. Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.