[High Brightness and Spot Beam]Adopted 6pcs 3w green yellow led chips directly, 18w 1800Lm each piece, 36w 3600Lm each pair. 30 degree spot beam, provides further illumination range, allowing you to see the front more clearly at dark night or in foggy weather without disturbing your coming vihecles; Size: 94mm*80mm*65mm; 3.7″*3.15″*2.56″;[Efficient Heat Disation] This 18w led light bar has heavy duty 6063 aluminum alloy housing, cooling fins to maximize surface area for optimum cooling and extend the led driving light bar service life for up to 50,000 hours.[With Adjustable Bottom Sliding Brackets] 18w light bar are equipped with necessary mounting adjustable mounting brackets, easy to fit and flexible(could install the brackets inward or outward, 30 degree angle adjustable), which makes the light bars suitbable for different types of Off Road, Heavy Duty, SUV, ATV, UTV, Truck, Car, Boat etc.[Applications]Wide application, bus, motorcycle, off-road vehicle, boat, engineering vehicle