The Inova T series meets the tough demands of tactical and military use. The T5 is the newest model and matches the rechargeable T4 for power and reliability but uses standard lithium batteries. It uses a 4 Watt LED with a 100 Lumen output and an impressive 3 hour runtime. Inovas` T series flashlights have hard anodized aluminium alloy casing, mineral glass lenses and a rugged hard wearing design.