Technical Specification: Plug Type:H7/477/499,T10/501/W5W For:High/Low Beam Headlight & Side Lights Operating Voltage: DC 9-32V(fit 12V,24V vehicles) Wattage :55W/Bulb,110W/Pair Color Temperature: Pure White 6000K Beam Angle: 360 degree Material: Aviation 6063 aluminum profile Operating Temperature: -40-80 degree Celsius IP67 rated water and dust seal, over 50,000hrs lifetime Usage: headlight,fog light,DRL Advantage: *Latest chip light source. *Engineering beam pattern design throw more light on road evenly at appropriate angle without foggy light *White light reflect road paint/signs better to show clearer road situation during night driving *low beam angle with cut-off line, will not dazzle oncoming traffic *aluminium heatsink design, high temperature tolerance + keep the light bulb in appropriate working temperature *Built-in constant current CPU, instant full brightness without start-up relay. Package Included: 4Pcs LED Headlight Bulbs 4Pcs T10 SIDE LED Bulbs Tips: Please do remember send message to tell us your car make, model, year and other information which is helpful to check bulb type.We will check for compatibility. Attention: LED bulb is low power device, the following issues may occur if you want to use LED bulb on some European vehicles: Hyper Flashing, No Flashing, or Error Code. Those are NOT problems of LED bulb and NOT covered by warranty. You may simply add a set of load resistor (NOT included) to avoid those issues.can be solved with a decoder (decoder must be purchased separately) If the product is not suitable or there is a quality problem, please contact our customer service directly to solve the problem. We will give you a satisfactory solution.