The LT350 is the ideal rechargeable day time light for looking in holes and under ledges. It also pulls double duty as a night-time back-up light. Multi-position button switch HIGH-MID-OFF. HIGH is 380 lumens, MID is 200 lumens. Battery duration – 4H @ 380 lumen / 7H 10M @ 200 lumen. Depth rated to 330’ (100 m). Uses 1 x 18650 2200mAh Li-ion rechargeable battery. Overall Length: 6.1” (154 mm).