UltraFire WF-502B Q5 Cree LED Flashlight with 1x Charger & 1x UltraFire 18650 Rechargeable Li-ion Battery Lamp Assembly: CREE Q5 LED with 210 Lumen Output on max Battery Used: 1 x 18650 battery (one included) or 2 x CR123A (not included) 5 Mode Output: Max - High - Low - Strobe  SOS Water-resistant Aluminum Body