"Step up to the professional-grade Streamlight ProTac HL-X Dual Fuel High Lumen Tactical Flashlight. Forged from 6000 series machined aircraft aluminum construction with a Type II MIL-Spec anodized finish, this ultra-rugged tactical light incorporates cutting-edge functionality and versatility for reliable use in every setting. Dual Fuel operation lets the Streamlight ProTac HL-X Dual Fuel High Lumen Tactical Flashlight run on two CR123A lithium batteries (included) or 1 Streamlight rechargeable 18650 lithium ion battery (not included). Both modes allow a staggering 1,000 max lumens from the shockproof C4 LED. Fully regulated output provides consistent light over the full battery discharge, and IPX7-rated waterproof sealing protects this ProTac light even in full water submersion 1m deep for up to 30 minutes. TEN-TAP programmable operation brings customizable use, and an anti-roll face, removable pocket clip, and holster keep your Streamlight close. Length: 5.43"". Weight: 5.7 oz. with two CR123 batteries; 6.2 oz. with Li-Ion rechargeable. Mfrs. lifetime limited warranty. Manufacturer model #: 88064. Ultra-bright, ultra-rugged LED tactical flashlight 6000 series machined aircraft aluminum construction with Type II MIL-Spec anodized finish 1,000 max lumens C4 LED Shockproof light Fully regulated outputconsistent light over full battery discharge IPX7-rated waterproof: submersible to 1m for up to 30 minutes Anti-roll face cap Serialized for positive ID Removable pocket clip and holster Dual Fuel: uses two CR123A lithium batteries (included) or 1 Streamlight rechargeable 18650 lithium ion battery (not included) TEN-TAP programmable operation High/Medium/Low/Strobe modes Runs over an hour on High, up to 20 hours on Low"