【GOOD HEAT DISSIPATION】The controller shell is made of aluminium alloy with design , which can protect the inner circuit due to good heat . 【LOW MALFUNCTION】The wires and interfaces are, and ensure low malfunction of long time use . Suitable for electric bicycles , scooter , etc . 【APPLY TO】The controller is suitable for 36‑84V electric or scooters , can automatically identify the voltage . Professional manufacturing , stable performance and high reliability . 【 MATERIAL】The electric bike scooter controller is made of aluminum and plastic material , sturdy , and long service life . Please rest assured use it . 【GUARANTEE】If you are not satisfied with the speed control you received , you can send emails to us at any time . We will reply you instantly and help you solve your problem . The controller is used for electric bicycles , scooters , tricycles and other electric vehicles . Universal voltage , suitable for 36‑84V electric or scooters , can automatically identify the voltage . Professional manufacturing , stable performance and high reliability .

Feature :
【GOOD HEAT DISSIPATION】The controller shell is made of aluminium alloy with design , which can protect the inner circuit due to good heat .
【 MATERIAL】The electric bike scooter controller is made of aluminum and plastic material , sturdy , and long service life . Please rest assured use it .
【LOW MALFUNCTION】The wires and interfaces are, and ensure low malfunction of long time use . Suitable for electric bicycles , scooter , etc .

Specification :
Condition : brand new
Item type : Electric Controller Se
Material : blend
Color : As picture shown
Weight : Approx . 497g 
Installation hole diameter : Approx . 22 . 5mm/0 . 9in
36/48V 250/350W universal

Line color definition :
1 . Red power input
2 . Yellow power output
3 . Blue signal sending
4 . Green signal reception
5 . Black power supply negative

Package List :
1 x Controller
1 x Meter
1 x Half throttle
1 x Throttle grip
1 x Clip