R-PAL Personal Area Light: 300-Lumen Waterproof 3-oz Compact LED Lantern, Adjustable Warm-White Light, Special Modes for Safety and Convenience.

Powerful, Compact, and Durable 300-lumen Light. Uses a Lithium Ion 18650B Protected Battery.
Fits hand, pocket or purse and easily attaches to camera D-rings, tripods, or 1/4-20 threads.
Adjustable Warm-White Light Fills 360º. Simple Controls: Brightness, Auto-off, Flashing, SOS.
Waterproof (IP67), Impact Resistant (5 ft), -4 to +104°F Operation (limited by battery).
Designed and Built in the USA. Limited Warranty. Rechargeable battery not included.