Specification: Luminous: 100000LM/SET(bulb*2) Power:300W/SET (150W/bulb*2) LED Quantity: 4pcs* COB chips/each bulb Voltage: DC9V-32V Waterproof level: IP68 Color Temperature: Cool White 6000K-6500K Material: Aluminum PCB and PA66+30% GF Plastic Lifetime : 50000 hours Operating Temperature: -20C- + 85C Certifications: CE, RoHS, ISO9002, IP68. Connector Type:Plug and Play Application :LED Headlights Headlamp Lamp Bulbs,Fog light ,High or Low Beam light. Bulbs Size: 9004(HB1,Hi/Lo), 9005(HB3, 9145, 9140, H10), 9006(HB4, 9012), 9007(HB5 Hi/Lo), H4(HB2, 9003 Hi/Lo), H7, H11(H8, H9,), H13(9008, Hi/Lo) H16(5202) Feature: 1.100% brand new original. 2.High brightness ,4 Sides COB chips,excellent lighting pattern,360 degree clear beam no blind zone. 3.Best cooling effect,Efficient Heat Dissipation Enhance Lighting Efficiency. 4.Waterproof: (1)Adopted nanoscale waterproof design:Applicable to different weather,safer led headlight. (2)High quality waterproof connector for safer performance. 5.No Ballast or Driver needed and with Fan ( Never worry about Ballast or Driver ) 6.More stable performance,Quick start;Fast on/off response time 7.Long working life : Advanced heat dissipation , Working life is up to 50000 hours 8.Easy installation : All in one aluminum headlamp body with smaller size,one step installation with original car lamp connector. Product Advantages: 1.Super bright COB chip,360 degree clear beam no blind zone. 2.Engineering beam pattern design throw light on road evenly at appropriate angle without foggy light. 3.All-in-one aluminum profile as heat conduction system,360 degree heat radiating +high speed mute fan system keep the light bulb in appropriate working temperature 4.Built-in constant current CPU,instant full brightness without start-up relay. 5.High speed mute fan(17000R/Min),high Air flow for faster cooling rate. 6.Product structure:Frosted heatsink which designed with radiation heat dissipation and cooling paint; Tiny installation size with 360 degree adjustable socket for more vehicles. Package Included: 2x High Power LED Headlights Bulbs Install Caution: As a safety precaution, make sure that the car has had time to cool down properly before starting the installation process. Put the vehicle into park or make sure it is securely in gear. Make sure to have the ignition turned off and the keys removed. Be careful to avoid burns, especially when turning on or off the vehicles lighting. Be careful to avoid crushing or cutting the bulbs. Also make sure to not touch the bulbs with your fingers, as this will cause blotting. Fully examine the connection of the contact points, ports and the wires as faulty connections can cause lighting problems. Make certain that the end of the bulb does not come in contact with the interior light shield of the headlight when adjusting the bulb. Headlight could not work? Here's the solutions: Both side could not work. Answer: Please turn around the plug (swap the polarity) and try again One side could not work. Answer: 1)please turn around the plug (swap the polarity) of the defective bulb and try again 2)please exchange the bulbs from side to side and see if the problem could solve 3)Please check your connection and fuse 4)If still could not help, please contact our customer service, we will get back to you within 24 working hours Both side flicker/interference/error light. Answer: Your car need a resistor Cancelers Decoders, you can contact our customer service for help. My bulb type is H7, but the one you sent could not fit. Answer: Your car need a bulb holder to lock the bulb, you can get one from ebay according to you vehicle model. My bulb type is H1, but there is only one clip on my bulb and the one you sent has two clip. Answer: Different cars have different connection way, which some have both positive and negative electrode, while some just have positive electrode but not negative. if there is just positive electrode but not negative,