Works with all fluorescent dyes, including difficult-to-fluoresce yellow dyes Inspection range up to 25 feet (7.6 m) or more Compact design easily gets into tight, cramped spaces 100,000-hour LED life Instant-on operation; no-warm up required Powered by a rechargeable lithium-ion battery (included). UV-absorbing glasses (LUV-10), smart charging cradle with AC cord , DC cord, two rechargeable batteries, belt holster and padded carrying case are included with this lamp.