Description This versatile thumb throttle speed controller is designed for electric scooters and e-bikes, featuring a vertical finger throttle and horn switch button. Its ergonomic design ensures comfortable use, while the durable plastic construction long-lasting performance. Ideal for both left and right handlebars, it provides precise speed control and easy access to the horn function. Features -Color:Black -Material:Plastic -Size:6.00X6.00X2.30cm/2.36X2.36X0.90in-Easy operation: the vertical finger throttle horn switch button speed controller allows for effortless operation, making it userfriendly for all riders.-Thumb throttle design: featuring a thumb throttle design, this controller ensures easy speed control, providing a comfortable and intuitive riding experience.-Universal handlebar compatibility: designed to be universally compatible with both left and right handlebars, this throttle is versatile and convenient for various vehicle types.-Durable plastic material: made from sturdy plastic, this throttle is durable and reliable, ensuring longlasting performance and resistance to wear and tear.-Multivehicle application: suitable for a wide range of vehicles, including electric scooters and ebikes, this throttle offers great flexibility and adaptability.Package list: 1pc x throttle knob