This T1-3/4 (5 mm) LED is water clear in its off state and lights very bright yellow at only ~20 mA. 3000 mcd. Small size, high output, and extended runtime make it perfect for self-defense, camping and backpacking, emergency/disaster-preparedness kits, or everyday carry. Don t let its size fool you the tiny Impulse is jam-packed with big features! Powered by 2 lithium coin cells the Ultrabright LED burns up to 36 hours and has 5 electronic switch settings including low medium and high beam and fast and slow blinking modes. With its quick release detachable clip hat clip option and a range of translucent colors to choose from you'll want one for every keychain backpack ball cap and book bag in the house! There is no need for spare bulb. The deep-dish, parabolic beam generator creates a long-range (500 feet), focused beam, and ample side lighting for multi-use applications. It's weatherproof, microprocessor controlled, push button switch is raised to make it easy to use with gloves.

Virtually indestructible light emitting diode has no filament to burn out or break; lasts for thousands of hours. Precision reflector creates smooth beam without spots or rings. Rugged, lightweight, corrosion-proof Nitrolon® polymer body, available in black or emergency yellow. Tailcap switch: press for momentary-on, twist for constant-on. Patented switch lockout prevents accidental activation. Compact (pocket sized), high-intensity LED flashlight for tactical, outdoor, and general use. Puts out a smooth, brilliant beam with four times the light of a larger two-D-cell flashlightbright enough to temporarily blind and disorient a person by impairing his night-adapted vision. And it continues producing useful light levels for an impressive 12 hours on a single set of batteries. Lightweight, corrosion-proof Nitrolon® body features molded-in grid for a secure grip in the wettest conditions.