Streamlight Keymate USB-rechargeable LED lights. 35 lumens. 3 modes: low, high, and emergency flash. Clip to a keychain for everyday use, or to your collar and use as an emergency work light. Engraved with Boresight Solutions logo on the back. This little widget is small enough to go everywhere with you, and is probably one of the handiest lights you can own due to its unobtrusive size.