Gerber Mongoose Microlight.

Gerber Mongoose Microlight. 7 1/8 overall including band. Black composite detachable head with rotating dial for 5 color selections and color preview button. Push button for temporary light and sliding switch for constant light. Flexible band with hook and loop strip and magnetic clip. Uses five different colored 5mm LED's for a variety of tasks. Black light for night time fishing or security identification, green light for map reading/safety, white light for general purposes, red light for night vision and blue light for detecting fluids. Up to 6 lumen output is visible up to 40 ft. Up to 30 hour run time per battery set. Uses two CR2032 lithium batteries (included). Hang packaged."