Size:H3 Question & Answer: Start up: Immediately, no delay CAN bus ready: Yes EMC ready: Yes Installation type: Simple Plug and Play Projector lens ready: Yes Waterproof: Yes, IP67 2 Yrs Warranty Max5 offer returns and exchanges for no reason within 30 days 24-Month2 warranty, promising best quality product and professional after-sales service Any questions just email us, We will response you in 12hrs. Features: Smart CAN bus and EMC adaptation Non-polarity design for easy installation Pro-turbo cooling to avoid overheating Over-current protection Over-voltage protection Specifications: Plug Type: Plug And Play Package included: 2 x LED headlight bulbs Rated lumen: 10000 Lumens per pair Color temperature: 6000k LED type: COB Wattage: 50 W per pair Voltage: 9 to 30 V Drivers: LED smart control Fan: Dual 12000 rpm turbo-cooling Housing: Cold pressed aluminum heat sink Beam Angle : 360Â°Beam Angel Connector Type: Plug and Play Life Span: Up to 50,000 Hours Waterproof rate: IP 67 Shell Material: Aviation Aluminum OTHER FQAs: Q1: How can I know What size should I order for my vehicle? A: If you are not sure what headlight size is correct for your vehicle, Sep1: Please search the websiteÂ by ‘automotive bulb look up’ or refer to your original vehicle’s handbook. Sep2: And you may ask us directly for any query. Q2: What should I do if the headlight bulbs do not work after installation?(such as 9005, 9006, H11) A: Individual vehicle are polarity sensitive in the plug, if it do not light up after installation, Pls cut the clip first and then flip over the plug 180Â° to switch polarity and plug in again to light it up.