Feature: 1. Regenerative braking, provides longer running time when charged with single battery, reduces motor brush wear and motor heating. 2. Two user selectable scooter operating characteristics that control and limit the maximum vehicle speed in each mode. 3. Motor parameters can be programmed to match the characteristics of the particular motor used. 4. Enhanced speed control by feedback of hall effect speed sensor. 5. Anti-tilt function, provide better control when releasing the accelerator on the ramp. 6. Anti-stall function helps to prevent the damage of motor commutator. Specification: Item type: Electric Scooter Controller.Material: PVSWeight: Approx. 50gColor: As picture shownOperating voltage: 24VRated power: 100-120WSpeed control: 1-4VUndervoltage: 20.5 ± 0.5VSize (main body) : Approx. 64 x 43 x 22 mm /2.5x1.7x0.9inLine: 6 sets (speed control handle, brake, electric lock, charging port, battery, motor)Brake handle: mechanical often openSuitable models: Small surfing electric scooters, electric scooters Package List: 1 x Electric Scooter Controller Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.