Voltage:12V DC;Connection size:23mmx15mm(0.9″x0.59″) Replacement for most Scooters/Mopeds/Dirt Bikes/Go Karts/Gas Scooter/ATV with GY6 50cc to 150cc motors Brand new 12V 4 Pin motorcycle Dual-siliconfull wave voltage regulator.made of dual-silicon wafers The regulator rectifier use voltage from magneto to charge battery and provide enough electrical power for vehicle output,meantime the output voltage is automatically adjusted Warranty:We are always available to help our customers.Please message us for replacement or refund if you are not satisfied with the order pls confirm The size of the product meets your requirements before you purchase Note:please allow 0.5-1 inch difference due to manual measurement.1inch=2.54cm Feature: High class quality and very durable Prevents over charging battery and improve charging capability Heat sink fins for better cooling Easy to install,just replace and ride No assembly required Higher grade of electronic components Improved heat sink and charging capabilities Voltage: 12V Color: Black Replacement for: GY6 Engine 50cc 60cc 80cc 125cc 150cc Chinese Dirt Bikes Go Karts Gas Scooter ATV Moped Package Included: Rectifier x 1pc Keychain x 1pc About After-sales service: First of all,we sincerely apologize to you for returning exchange or refund caused by any reason.Please be assured,no matter what the problem.Please contact us first,we will do our best to solve any problem for you.We attach great importance to every customer.Your satisfaction will be our greatest impetus About GOOFIT: was established in 2000.We are a leading website selling,ATVs parts,Go Karts parts,Dirt Bikes parts pocket bike parts,Moped scooter parts online Company Culture: We are committed to providing the best products and services for our customers