The Streamlight Strion HPL is a high performance and high lumen rechargeable flashlight powered by a lithium ion rechargeable battery. The deep reflector concentrates the light into a powerful beam that shines a powerful beam over 400 Meters in high while still giving ample area lighting. The tactical style tail switch on the Strion HPL is easy to use. Just press and hold to access all 3 brightness levels, and release at the desired level. The Streamlight Strion HPL uses a smart charger, so the flashlight can be left on charge indefinitely. The Strion HPL is compatible with other Strion chargers you may already own.