4 Brightness Adjustable - Lamp LED clip on top 150 lumens, 4 lighting levels switch at the touch of a button: 100%, 70%, 40% and red light. USB Rechargeable - The night light can be charged quickly and used anywhere. for about 4 hours on a single charge, suitable for wearing at night. Small Size - The ultra-light running lamp The clip measures approx. 7 x 4 x 2 cm / 2.7 x 1.6 x 0.8 inches, is lightweight, takes up no space but is bright, no fear of light effects. Safe Design - The clip design is simple and practical, 2 packs are cheaper. Clips anywhere to protect you on your nighttime outings. Versatile - a safe tool for nighttime activities such as running, walking, walking the dog, camping, fishing and more. The LED lighthouses can also meet the lighting needs of daily work.