Mini LED diving flashlight, powered by 1 L2 LED and 1 18650 battery. IPX8 diving flashlight. 1) Brightness up to more than 1050 lm. 2) Internal constant current wiring, wide operating voltage range. 3) Waterproof: 4) Aluminum alloy housing. 5) Aluminum alloy reflector. Waterproof: IP68 (40-50 meters depth). Mode: 3 modes (100% - 50% - SOS). Notes: Turn on the red light if the power is insufficient. Turn on the yellow light if the power is less than half. Turn on the green light if the power is sufficient. 4.2V - 3.7V above the green light. Turn on the yellow light if the power is less than half. Turn on the red light if the power is insufficient. Turn on the green light if the light is 4.2V higher than 3.7V. Turn on the yellow light if the power is 3.7V lower than 3.3V. Turn on the red light if the light is 3.2V lower. LED Type: 1 L2 LED. 1 hour (100%) / 2 hours (50%) / 4 hours (SOS) Dimensions: 128 MM X 32 MM X 30 mm Weight: 170 g - with box, (battery and charger not included)