This fits your .

port: thin red / thin black
Brake light: thin red / thin black
Governor: thin blue / thin black / thin
Red
Item name: Controller and Throttle Screw Grip
Rated voltage: DC 36V
Rated : 500W
Matching motor: DC brush motor
Throttle:
Throttle working voltage: DC5V
Velocity control signal: 0.8V~4.3V
display voltage: DC 24V/350W/500W
display:
Normal: above 23V, 3 LED green lights,
Half: 23V ~ 20V, LED yellow,
Empty: 20V or lower, LED red
Rotation angle: 0degree ~70degree
Working temperature: -20Celsius~+50Celsius
Fits standard 7/8 inch handles
Cable length is approximately 59 inches
Quantity: 2 )
Electric bicycle scooter screw accelerator with display, 5 LED battery indicator.
Colour:As shown
Material:composite material
Package Contents:
1 x Brush Controller
1 x Throttle Knob
1 x Normal Handle
2 x Key
NOTE: Sticker: Random,don't accept the specified
Only the above package content, other products are not included.
Note: Light 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.

CCBUY Electric Bicycle Accessories 36V 500W Controller and Throttle Screw Grip Motor Controller for Electric Bicycle E-Bike - BYOJEN6XK