1、Manufacturing Material: The controller housing is made of high quality metal with grooves designed to protect the internal circuitry from thermal overload due to good heat dissipation. 2、Brushless Motor Controller: Electric bike brushless motor controller provides steady speed, sensitive braking and directional change control. 3、High Performance Wire and Durable Interface: The high performance wire and durable interface ensure low failure rate for long term use. Suitable for 36V, 48V 250W, 350W motors. 4、Easy Maintenance: For mountain bike lithium battery modification, easy maintenance, electric bike and moped modification conversion, greatly improve the fun of riding, suitable for cyclists like challenges. 5、Simple Operation: Simple to operate, easy to use, easy to install and disassemble. Without any difficult requirements even though you use it for the first time. Item Type: Electric Bicycle Brushless Square Wave Controller Weight: Approx.213g / 7.5oz Material: Aluminum Alloy Current: 15A 1 x Controller 1 x Manual