The Streamlight ProTac HL-X is a high-powered compact flashlight. It features Dual Fuel technology, allowing it to accept either two CR123A lithium batteries or an 18650 rechargeable lithium ion battery. Its powerful C4 LED puts out a maximum of 1000 lumens and can be used in one of three power modes, plus a strobe function for signalling or disorienting targets. The TEN-TAP program switch allows you to choose between three programs for quicker access to the modes you need: low/medium/high, high/strobe/low, and high only. Its solid state power regulation system delivers consistent power as the battery drains. The body comes with an anti-roll head and is made from durable anodized aluminum. It is also IPX7 waterproof rated, capable of surviving 30 minutes of immersion in a meter of water. It comes with a sturdy pocket clip for portability.