ADO Headlight (with horn) for Air 20/20S/200T/260T/261T/ECO16/ECO20/Oasis OneADO Headlight is a multifunction electric bike part designed to provide clear illumination and an integrated horn for enhanced riding safety. Specs: DH004 headlight with horn, waterproof wire length 240mm (excluding plug); outlet definition: black (negative), red (positive), white (horn positive); without certification Includes: 1 headlight with horn This product is designed to fit ADO Air 20, Air 20S, 200T, 260T, 261T, ECO16, ECO20 and Oasis One e