ThruNite Tis CW Portable Keychain LED Flashlight with Titanium Alloy Body ThruNite Ties is equipped with the advanced Cree XP-G2 LED with a lifespan of 20+years and has versatile applications Multiple modes available: Firefly, Low, High and Strobe (hidden). Its max output can reach 120 lumens with one AAA battery Water-proof to IPX-8, easy twisting switch for one-hand operation, 4-modes with memory function, one AAA powered and a FREE tin canister as packaging Stainless steel body with polished finish, and Orange peel reflector gives perfect flood. Memory function: Keep the light off between 2 to 10 seconds and then turn it on, the light will turn on in the last mode accessed, except for Strobe mode.