RECHARGEABLE TACTICAL FLASHLIGHT -900 LUMENS INCLUDES LI-ION18650 3.7 VOLT RECHARGEABLE BATTERY 2.6MAH GLOW IN THE DARK ON/OFF BUTTON SO FLASHLIGHTS IS EASY TO FIND EVEN IN TOTAL DARKENESS. CHARGING LIGHT INDICATOR TURNS RED WHEN CHARGING, GREEN WHEN FULLY CHARGED AND OFF WHEN NOT CHARGING. PRESS THE ON/OFF BUTTON TO INTITIATE OR END CHARGING. WARNING DO NOT SHINE DIRECTLY IN EYE AS THIS MAY CAUSE BLINDNESS. THIS IS NOT A TOY, KEEP AWAY FROM CHILDREN.