Streamlight ProTac 2.0 Rail Mount Light (89003-XX)
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The high-performance ProTac® 2.0 Rail Mount produces 2,000 lumens without sacrificing run time. Powered by the new SL-B50® battery pack that charges using a USB-C cord outside of the light or inside – no need to remove from your weapon.

Features:

Uses one (1) Streamlight SL-B50® protected Li-Ion USB-rechargeable battery pack (included)
IP67-rated; dust-tight and waterproof to 1 meter for 30 minutes (IPX4-rated when remote switch is plugged in)
2-meter impact resistance tested
6000 series machined aircraft aluminum with Type II MIL-Spec anodized finish
Mounts directly to guns with MIL-STD-1913 (Picatinny) rails
Available as "light only" or "system" (system includes remote pressure switch, remote retaining clips, double-sided tape, zip ties, and M-LOK® mount)
6.30 in (16.0 cm)
9.06 oz (257g) with one (1) SL-B50® battery pack
Available in black
Limited lifetime warranty

Both models include: 
USB-C Cord, M-LOK® Mount and SL-B50 Battery Pack

Modes:

High:
2,000 lumens; 266m beam; runs 2.5 hours

Low:
250 lumens; 93m beam; runs 11 hours

Strobe
Signaling or disorienting: runs 4.5 hours