Specifications: Material：Aluminum Size: 9cm x 6.5cm x 4cm Power: 800W Input: 36V Undervoltage: 31.5 + -0.5V Turning: mechanical normally open Applicable motor: 500W-800W motor Package Included: 1 x Motor Speed Controller Warning: It is illegal to ride electric scooters on public roads, pavements, or cycle paths. They are intended only for use on private land with the owner’s permission.