Cyalume Chemlight Hi Intensity 6" Light Sticks are extremely bright and a dependable source of emergency lighting for 30 minutes. When there is a need for very bright lighting the hi intensity light sticks from Cyalume are the choice. Cyalume light sticks are a clean and non toxic choice to illuminate an area especially when near gas, oil, or any combustable materials. Cyalume 6" hi intensity light sticks come in three colors and last 30 minutes after activation by simply striking a hard surface. Cyalume hi intensity light sticks are perfect for the home environment and in case of blackouts in hospitals, schools, nursing homes, offices, hotels, trains and industrial sites. Police departments, fire departments, EMS, utilities and government agencies are large purchasers of Cyalume light sticks and are used in remote locations, areas of confined space, and at crime and accident scenes. With Cyalume light sticks you never have a need to replace batteries and bulbs like when using a battery operated flare. In addition, there are no environmental risks when Cyalume hi intensity light sticks are disposed of; unlike the standard road flares. Also, Cyalume light sticks work in sub-zero temperatures, have a shelf life of 4 years and are made in the USA. Sold in cases of 10/10pks (100) light sticks. Government Buyers Call 1-866-864-3495