Compact, high quality, ultraviolet flashlight. Ideal for checking currency or credit cards. Ultraviolet light reveals the security strips in US currency, watermarks hidden in bank notes and fluorescent ink and dyes used as anti-counterfeiting measures in credit cards. Illuminate scorpions, check hand stamps at clubs, scan a crime scene for foreign materials. 5.33" long, 1.18" diameter handle. On/Off pushbutton. Requires three AAA batteries (not included).