This powerful, rechargeable forensic light source features a halogen lamp and a high-capacity battery. It is a super-effective, fully self-contained system, requiring no additional light source or filter. The No. BM500 is supplied complete with matched barrier and excitation filters. This easy-to-use unit is ideal for both fluorescent photography and investigation. Available with a 110-volt or 220-volt charging unit. A full charge delivers a running time of approximately 1 1/2 hours.