The Redlite 80 BT is a versatile bike light from Topeak. With 80 lumens and five lighting modes, it provides excellent visibility on the road. Installing and removing the light is quick and easy thanks to the bi-directional tool-free mounting system and included silicone strap. The RedLite 80 BT can be attached to aero or round seatposts, seatstays, and Topeak bags.The light has three different modes: High - 80 lm (lasts 3.5 hours), Blink - 30 lm (lasts 30 hours), and Pulse - 50 lm (lasts 30 hours). It features a COB lamp and is powered by a 3.7V 1000mAh Lithium Ion battery.Charging the RedLite 80 BT is convenient with its USB Type-C port. It takes approximately 2 hours to fully charge the light. The input for charging is Quick charge 2A / 5V 500mA.The RedLite 80 BT is housed in an injection molded polymer casing, making it durable and weather-resistant. It has a waterproof rating of IPX6, ensuring it can withstand rain and other wet conditions.With dimensions of 8.1 x 3.3 x 3.9cm and weighing only 45g, the RedLite 80 BT is compact and lightweight. It is a reliable and practical bike light for any cyclist.