Hall Handle Turn Accelerator 24V 36V 48V 3 Wire Twist Throttle Grip Electric Vehicle Speed Governor Handlebar Controller Specification: 100% brand new!!! Color: Black Material: Rubber+Plastic Length: about 113mm Wire: 3 Wires (Black, White, Red) Wire Length: about 1.2m Voltage: 24V/36V/48V Rated Voltage0.8-4.2V Placement: Right Side For Electirc Scooter Bike 7/8" Handlebar Feature: Brand new && Durable. Returned Twist Action. 3 Wire Throttle For Most 12v-48v Electric Scooters. Fits With Included Set Screw For 7/8 Inch Handlebars. Only Works On Right Hand side of handlebar. Package included: 1 x 3 WIRE TWIST THROTTLE GRIP Note: 1. Please check the size measurement chart carefully before making payment. 2. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) 3. The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding. 4. Instruction is not included.