This 2pin 6V charger is designed for kids' ride-on cars and includes wiring harnesses and a fuse. Compatibility: Works with most 6V children's electric cars (check socket compatibility). Indication Light: Red light during charging, green when fully charged. Output: 6V 800mA, Input: 110-120V (ensure the Red Socket is 2-pin and battery voltage is 6V). Equipped with 7 amp replaceable fuses for safety. Safety: Passed UL certification with safeguards against overvoltage, overcurrent, short circuits, and overheating.