Features and Benefits: * 150 watt * 100,000-hour LED service life * Rugged, corrosion-resistant, anodized aluminum lamp body stands up to years of heavy shop use * Powered by one rechargeable lithium-ion battery; provides 4 hours of continuous inspection between charges * Inspection range of up to 25 feet (7.6 m) or more The OPTI-LUX™ 400 is a new, state-of-the-art, leak detection lamp featuring a true UV LED head coupled to a rugged, anodized aluminum flashlight body. It"s specially designed to fluoresce dyes brighter and with greater contrast compared to standard blue light inspection lamps. Makes automotive leaks much easier to spot and slashes diagnostic time! Works with all Tracerline® universal/ester and PAG A/C dyes, as well as TP-3400 and TP-3900 series fluid dyes. Comes complete with a lanyard, rechargeable battery, smart AC charger and fluorescence-enhancing glasses.