Self-locking switch - Equipped with a self-locking switch, it can be used for automatic driving, low speed, high speed and other functions if your vehicle has such a controller. Powerful compatibility - is compatible with most e-bikes, e-bikes or mountain bikes with 22.5 mm handlebars. Speed control - 48 V speed control. The bike throttle provides even and sensitive control of speed and works well on the left or right side of the handlebar Durable: the cables and interfaces are durable and low malfunction during long-term use Battery capacity display function: 6 wires thumb throttle supports the battery capacity display. You can see how much battery is consumed at any time and avoid the inconvenience of turning off the battery Colour:As Shown Material:PC Size:7 x 3 x 7 cm Package Contents: 1 x electric car handle(48V) Only the above package content, other products are not included. Note: Light reflection 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.