General description 2 Pack Rechargeable Bike Lights designed for both front and rear use, featuring 4 lighting modes and a 650mAh lithium battery. These lights are IPX4 waterproof, making them suitable for various weather conditions. They are easy to install and perfect for cycling, camping, dog walking, and other outdoor activities. Technical specifications Battery: 650mAh Lithium Waterproof rating: IPX4 Lighting modes: 4 modes (full brightness, half brightness, fast flashing, slow flashing) Installation Universal design bracket fits all bike types including mountain bikes, fat bikes, city bikes, and kids' bikes. Installation time: approximately 7 seconds. Usage Can be used as a bike light or an emergency flashlight. Ideal for running, jogging, hiking, camping, dog walking, changing tires, nighttime activities, and power outages. Other information Includes a USB cable for easy recharging. Perfect gift option for family and friends.