Sufficient quantity and convenient design: you will receive 30 LED flashlights with 30 battery strips. Please remove the protective film from the battery before use. The quantity is sufficient for easy use and sharing; the headworn design makes it easier to read, work, and explore. A bright headlight with three lighting modes: this bright headlight uses COB LED lamps to emit 800 lumens of light, providing a 160-degree wide beam to illuminate a large area. In addition, the headlight has three white light brightness modes: high, low, and flash, which you can adjust according to the scene and usage requirements. Anti-slip and adjustable: the forehead band is light, soft, comfortable, and anti-slip, which will not bring a heavy burden to the head. The size is approximately 6 x 4 x 1.7 cm / 2.36 x 1.57 x 0.67 inches, portable, flexible, and adjustable, suitable for different users, including adults and children. You can also choose to wear the product on your wrist or other locations. Waterproof and durable: LED headlights are made of high-quality plastic housing and switch, waterproof and leak-proof, and can be used even in wet conditions. It is also suitable for running, walking, cycling, hiking, camping, fishing, and reading at night. Practical gift: portable and adjustable features make these hiking headlights a practical gift for fathers, partners, boyfriends, and night runners on Christmas, birthdays, Valentine's Day, or other occasions. Color: blue + black Material: plastic Package Contents: 30 x head lights Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement may vary by +/- 1-3 cm.