- 7 Versatile Flash Modes: Choose from an array of settings, including continuous brightness, flashing, slow flashing, and directional flashes (right to left, left to right, and back and forth). A smart chip automatically turns the light off when stationary and activates when you start riding, ensuring optimal battery use. - Enhanced Visibility: Equipped with 5 bright LEDs and 2 red laser beams, this bicycle safety light creates a virtual lane around your bike. This feature significantly enhances your visibility during night rides or in low-light conditions, keeping you safe from potential accidents. - Long-lasting Power: Operates on 2 AAA batteries (not included) and delivers impressive performance lasting between 9 to 36 hours, depending on the battery quality. For extended periods of non-use, store the product and batteries separately to maintain functionality. - Quick and Easy Installation: Designed to fit seat posts ranging from 20 to 36mm, this bike tail light can be installed without hassle. With an IPX-2 water-resistant rating, it offers protection against light rain and can withstand tilting up to 15 degrees. - Practical Use Cases: Ideal for evening commutes, leisurely night rides, or any cycling adventure in darker environments. This light not only improves safety but also enhances your cycling experience by providing peace of mind. - Compatibility and Performance: Suitable for a variety of bike types and easy to install, this tail light is a must-have accessory for every cyclist prioritizing safety and visibility on the road.