Inova T3TM-HB T3 LED Tri-Mode Flashlight with High-Low-Strobe Functions Run Time 3 Hours 30 Minutes on High mode - 36 Hours on LOW mode 173 Lumens HIGH mode 18 Lumens LOW mode Multiple Light Modes Tactical End-Cap Switch activates constant and momentary High Low Strobe and Lockout modes Effective Range up to 300 Feet Impact-resistant head prevents damage from accidental dropping