1) Model: LB272) Rated voltage: DC 24V3) Rated power: 250W4) Under-voltage protection: 20  ± 0.5V5) Current limit : 16±1A6) Controller category:  150W-250W brush motor7) Applicable model: electric bicycles, electric tricycles8) Waterproof24 Volt 500 Watt voltage/speed controller for electric scooters, bikes, go karts, and mopeds. Eight connectors: motor, battery, charge, derailleur, lock, brake, brake lights, and indicator.This controller comes with the most common wiring connections found on electric scooters. However, depending on your make and model, you may need to cut and splice a few but not all of the wires.Compatible on most 24 Volt products equipped with 180-500 Watt motors.Controller connections as follows:Battery Connector (Black & Red Wires, Thick)Battery wiring. Black to Black, Red to Red.Motor Connector (Blue & Yellow Wires, Thick)Motor wiring. Blue (controller) to Blue (existing wiring), White (controller) to White/Yellow/Brown (existing wiring).Charge Connector (Black and Red Wires, Thin)Battery charger connector. Black to Black, Red to Red.Derailleur Connector (Red, Black, & Blue Wires, Thin)Hand throttle connector, 3-wire. Plug your 3-wire hand throttle wires into the three prongs on this connector. Your product's throttle wiring may be included in an existing 6 pin connector on your wiring harness. Black to Black, Red to Red, Blue to the third wire on your hand throttle (Blue or Green or other).Lock Connector (Blue & Red Wires, Thin)Key switch connector. Connect to your product's "lock" connector, or hard wire to your key switch wiring. Wire color connection not critical, but Blue to Blue, Red to Red if they match.Brake Connector (Black & Yellow Wires, Thin)Brake connector. Your product's brake wires may be included in an existing 6 pin connector on your wiring harness. Black to Black/Red and Yellow to Yellow.Indicator Connector (Black & Red Wires, Thin)Black to Black, Red to Red.Brake Lights Connector (Red & Yellow Wires, Thin)Red to Red, Yellow to YellowNote: All scooter controllers require a Switch, (joined to the "Lock" connector on the controller wires), in order to complete the electrical circuit.