Specification: Models:Front 4models,Rear 6 models. Brightness:Adjustable Waterproof:IP65 Light Color:White,Red Material:PC Size:8.2cm/2.04inch x 3.6cm/1.42inch x 1.7cm/0.67inch. Package Included: 1 x Bicycle Light 1 x USB Cable 1 x Manual 2Pcs x Straps NO Retail Box. Packed Safely in Bubble Bag. Versatile Lighting Modes: The front headlights feature four adjustable modes—high brightness, medium brightness, low brightness, and strobe—allowing you to select the perfect brightness for nighttime cycling, camping, or as a flashlight. Enhanced Safety with Taillights: Our taillights offer six lighting modes: high brightness, medium brightness, low brightness, slow flashing, interval flashing, and continuous flashing. Easily switch modes with a simple click of the button, ensuring you're visible during your rides. Universal Compatibility: This lighting set is designed to fit various bike types, including road bikes, mountain bikes, and scooters. It can also be attached to helmets of different sizes, ensuring versatility for all riders. Safety First: Bright, reliable bicycle lights are essential for safe riding in low-light conditions. With multiple modes and robust construction, our lights are built to keep you visible and secure on your journeys.