Made of high quality material, high strength and durable in use. Easy to install and remove without damaging the scooter, fixed firmly and reliably. Compact size and , no additional burden to the scooter. Due to different batches, the appearance, color of the product may be different, which does not affect the use Material: plastic+metal colour: black+silver Package Contents: 1 x QS-S4 Meter 1 x -60 Aviation head charging port cable 2 x Controllers (48V 800W dual drive, 800W and ) 1 x Connecting cable 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.