5 light modes Strong light - medium light - weak light - SOS light + infrared sensor mode (Press the switch and shake a hand in front of the headlight at a distance of 10 cm. The light will turn on and off.) Lightweight USB battery This USB headlight weighs only 60 grams, the built-in lithium polymer battery 1000 mAh has a charging time of 3-5 hours and the operating time is 5-15 hours; White high-performance LED CREE XP-G2 The luminous flux reaches 140 lumens, an adjustable lighting angle from 0 to 45 degrees, a radiation distance of 100 m and a service life of 100,000 hours. Durable and waterproof beautiful appearance, use of PC flame retardant material, high temperature, impact resistance, IPX6 waterproof, this headlamp can work underwater for 2 minutes at a depth of 3 meters (seal USB charging port). Wide range of uses The LED headlight is suitable for various evening activities such as cycling, hiking, running, camping, night fishing, car repairs, caving.