Streamlight is an ISO 9001:2000

ISO 9000

The ISO 9000 family of standards relates to quality management systems and is designed to help organizations ensure they meet the needs of customers and other stakeholders . The standards are published by ISO, the International Organization for Standardization, and available through National...

 registered company located in Eagleville, Pennsylvania that manufactures flashlight

Flashlight

A flashlight is a hand-held electric-powered light source. Usually the light source is a small incandescent lightbulb or light-emitting diode...

s powered by various rechargeable and disposable batteries. Streamlight flashlights are often used by public safety professionals such as police officers and fire fighters, and they are often seen on television shows such as CSI: Crime Scene Investigation

CSI: Crime Scene Investigation

CSI: Crime Scene Investigation is an American crime drama television series, which premiered on CBS on October 6, 2000. The show was created by Anthony E. Zuiker and produced by Jerry Bruckheimer...

. Specific models are designed to be intrinsically safe for use in hazardous areas

Electrical Equipment in Hazardous Areas

In electrical engineering, a hazardous location is defined as a place where concentrations of flammable gases, vapors, or dusts occur. Electrical equipment that must be installed in such locations is especially designed and tested to ensure it does not initiate an explosion, due to arcing contacts...

.

Their product line features hand-held and weapon-mountable lights as well as a small handcuff-key light. Several of their products utilize dual sources, combining the long life of LED lamp

LED lamp

An LED lamp is a solid-state lamp that uses light-emitting diodes as the source of light. The LEDs involved may be conventional semiconductor light-emitting diodes, organic LEDs , or polymer light-emitting diodes devices, although PLED technologies are not currently commercially available.Since...

s with more powerful but shorter-lived conventional incandescent lamps. They also produce a series of Laser Illuminators such as the M6 shown in the image at right and the TLR-2 which is a combination LED weapon light and laser.

Streamlight developed the first million candela

Candela

The candela is the SI base unit of luminous intensity; that is, power emitted by a light source in a particular direction, weighted by the luminosity function . A common candle emits light with a luminous intensity of roughly one candela...

 hand light for NASA

NASA

The National Aeronautics and Space Administration is the agency of the United States government that is responsible for the nation's civilian space program and for aeronautics and aerospace research...

in the early 1970s.