Featuring three high intensity 280 lumen Cree® LEDs to provide 840 lumens of powerful light, the Sightmark® H840 Tactical Flashlight is equipped for the most difficult shots in the dark of night. This product is the perfect addition to the award-winning Triple Duty™ Series, built for applications including shooting, hunting, tactical uses, camping, hiking, home use and vehicle emergencies. Yielding an IP67 weather rating, the H840 Tactical Flashlight is 100% dustproof and submergible to 1 meter for 1 hour. Its Aircraft-grade aluminum construction and type II MIL-SPEC anodizing makes this tool both incredibly durable and resistant to abuse on AR-15s. The H840 Tactical Flashlight includes a weapon mount, push on/off button, pressure pad and three color lens filters. Green filters assist in map reading, while red filters help to preserve night vision and assist with varmint hunting without being detected by their prey. Blue filters are also used by hunters and assist in illuminating blood trails.