ULTRA BRIGHT & LONG-LASTINGLETMY high lumens flashlights use the UPGRADE LED Chip, not other cheap LED chips, brighter than basic LED flashlight. Super bright high performance flashlight with high quality of 50,000 hours working life. Conveniently powered for hours with 3 AAA batteries or one 18650 rechargeable battery SMART DESIGNMini size & Anti-slip deaign, small enough to fit in your pocket, handbag, drawer, or car compartment. Also with comfortable hand rope, you can take the flash light at anytime or anywhere. Great for camping, hiking, fishing, running, dog walking and emergencies