Spectroline Optimax 3000 portable fluorescent leak detection flashlight features a focused beam that makes it easy to pinpoint all refrigerant leaks. Superhi- flux LED technology delivers 15 brighter leak detection light than regular LED lamps. It has an inspection range up to 20 ft. It is powered by a rechargeable NiMH batter and has a 50,000-hr bulb life. Fluorescence-enhancing glasses and ac and dc battery charger included.