Though it measures less than 3 inches long, this unassuming keychain light can save you in an emergency. This upgraded version features a stainless steel button switch, low voltage alerts, and support for a 10440 battery. On high mode (with a 10440 battery) it pumps out a whopping 370 lumens for 20 minutes. With the included AAA battery it delivers 110 lumens for an hour. Made from hard-anodized aluminum with a tight O-ring seal, the water-resistant flashlight won’t break when dropped or smacked against a wall. Use strobe mode to signal for help in dire straits, or to disorient an oncoming attacker in a pinch. The mini torch comes with a battery, extra O-rings, and a keychain to attach to your keys or pack.