Made from durable EVA foam that is water and oil resistant and featuring 2 rows of 12 SMD LEDs the Kincrome LED Headrest is ideal for use when working under a vehicle, providing both comfort, and illumination and its low profile means that it can be used in conjunction with a garage creeper. Requiring 3 x AA batteries (not included) the SMD LEDs provide economic bright lighting and can last up to eight hours with continuous use.The Kincrome LED Headrest can also be used as a knee pad when working on hard surfaces and is therefore ideal for mechanics, electricians, floorers, landscapers, carpenters, tilers, carpet layers, concreters and contractors.