The ProTac Rail Mount VIR Pro is a gun-mounted tactical light featuring visible white light along with IR illumination that can easily be changed via the head-mounted switch. Features a cutoff that prevents unintentional visible illumination when operating in IR mode. It's Jack-Cap tail cap switch offers operational switch redundancy push-button operation or remote pressure switch operation. Product Features Multi-Fuel: Uses (1) Streamlight SL-B26 protected Li-Ion USB rechargeable battery pack; also accepts (2) CR123A lithium batteries Mounts directly to guns with MIL-STD-1913 (Picatinny) rails or M-LOK and M-LOK compatible rails Jack-Cap tail cap offers push-button switch and port for a remote pressure switch Remote switch available in momentary only (included) and momentary/constant on versions (optional) 6000 Series machined aircraft aluminum with black anodized finish High-temperature, shock-mounted, anti-reflective coated, impact-resistant BOROFLOAT glass. 2-meter impact resistance construction, extensively live fire tested IPX7-rated with standard push-button switch installed; waterproof to 1 meter for 30 minutes; IPX4 rated with the remote pressure switch installed for water-resistant operation Weight: 8.2 oz (231 g) with (2) CR123A batteries; 8.8 oz (249 g) with (1) SL-B26 rechargeable battery pack TEN-TAP Programming Allows for Selection of Three Different Operating Programs: 1) White Light High Only/IR High Only 2) White Light Medium Only/IR High-Low 3) White Light Low-High/IR Low-High High: 1,100 lumens; 40,000 candela peak beam intensity; 400m beam distance; 2 hours (SL-B26), 1.5 hours (CR123A) Medium: 540 lumens, 19,000 candela peak beam intensity; 276m beam distance; 3.75 hours (SL-B26), 2.75 hours (CR123A) Low: 120 lumens; 4,200 candela peak beam intensity; 130m beam distance; 14 hours (SL-B26), 11 hours (CR123A) IR: 2,300 mW (High), 600 mW (Low); SL-B26: 2 hours (High), 9 hours (Low); CR123A: 1.25 hours (High), 7.25 hours (Low) Product Specifications High Lumens: 1,100 Run Time on High: 2.00 hours Run Time on Low: 14.00 hours Beam Distance: 400 meters Max Candela: 40,000 Battery Type: SL-B26 Rechargeable Battery Pack, CR123A Lithium Battery Quantity: 1 - 2 Length: 5.65 inches (14.35 centimeters) Weight: 8.20 ounces (232.47 grams) - 8.80 ounces (249.48 grams) Colors: Black