If you're loading up your kit or looking for a handy addition to your EDC, consider the compact, durable Streamlight MicroStream LED Penlight. This little device packs amazing power. It requires one AAA alkaline battery to run for 2.25 hours with a light output up to 420 candela. The convenient tailcap switch lets you switch the device on with one hand and provides two settings, constant-on and momentary. A removable clip gives you the option to clip this penlight to your pocket or attach it to the bill of your hat as an emergency headlamp. A breakaway safety lanyard lets you disconnect in a flash. Plus, this virtually indestructible device is O-ring sealed, resistant to water, shock and abrasion and comes with a scratch-resistant lens.