Cyalume ChemLight Military Grade VisiPad ID and Marking Emitter, 4-1/2" Length x 2-1/2" Width x  1/8" Height, Orange (Pack of 25) Visipad is a versatile and self-adhering chemical light emitter Designed to maximize visible suface area, VisiPad provides unique capabilities for search and rescue, marking, evacuation procedures, room clearing, and identification of friend or foe (IFF) Rectangular and flat, VisiPad 10 hour visible and 8 hour IR weighs less than a traditional 6-inches chemlight, and takes up less space, but with the same overall surface area The hook and hole feature allows VisiPad to be hung from wires or monofilimant Deveolped to minimize accidental activation, VisiPad can be kept in pockets or pouches in significant quantities for easy access and deployment