Crimson Trace Corporation, Rail Master Tactical Light, Compact Size, Fits 1913 Picatinny Rail, 200 Lumen White Light, Polymer Housing, Black Finish Polymer.Constant On/Off, Momemtary Strobe, Momentary On. 2 Hrs Runtime on one CR2 Lithium Battery.

Introducing the CMR-209 Rail Master Universal Pistol Light for rail-equipped firearms, a versatile tactical lighting option at an incredible value – from the brand you trust for personal protection optics.

• Instant Activation: Tap-On / Tap-Off
• 200 Peak Lumens LED White Light
• Material: Polymer
• Water Resistant (IPX4)
• Impact resistance up to 1 meter
• Modes: On/Off Momentary
• Battery life: 1 hr 30 min
• Weight: 1.98 oz with battery installed

Fits most pistols with M1913 Picatinny (or similar) accessory rail measuring at least 1″ from recoil lug to trigger guard.