Our H11 and H9 models are interchangeable. Model:H9/H11 Power:30W/per bulb, 60W/per Set Lumens:6000LM/per bulb, 12000LM/per Set Color Temperature:6000K White Light source: CSP Beam Type:High/Low Beam Certified by:CE & ROHs Voltage: DC 9V-36V Warranty:1 YEARS Lifetime: More than 50000 hours Placement on Vehicle: Front Applicable Used as a: Headlight Suitable For Pickup, Wagon, UTB, Cab, ATV, SUV, Jeep, Off-Road, Truck, Bus etc. Package include: 4x H9/H11 LED Headlight Install Caution: 1. As a safety precaution, make sure that the car has had time to cool down properly before starting the installation process. 2. Put the vehicle into park or make sure it is securely in gear. 3. Make sure to have the ignition turned off and the keys removed. 4. Be careful to avoid burns, especially when turning on or off the vehicles lighting. 5. 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. 6. Fully examine the connection of the contact points, ports and the wires as faulty connections can cause lighting problems. 7. 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.