UltraFire WF-501B CREE T6 LED Flashlight 1-mode 1X18650 Comes with a lifetime warranty if purchase through ArizonaTacticalGear Runs on 2 x cr123 or 1 x 18650 rechargable battery. 3-6v working range Increase your flashlight's brightness up to 1000 lumens with the US made CREE XML-T6 LED 1 Mode of Operation (High Only) Hard-Anodized finish; Anti-abrasive, free-scratch, shock-proof.