Superfire BTL01 rear bike light BTL01 is a small and practical bike light, which can be mounted in many places on your bike, helmet, backpack or even on your dog's collar. Thanks to it you will be more visible on the road for other users. It has 4 operation modes, so you can adjust its operation to your needs. It remains in standby mode for a long time, so you do not have to worry about frequent charging of the battery. It is also water resistant, so you can use it in various weather conditions. 4 modes of operation The lamp has up to 4 modes of operation. Choose between pulsing light mode, strobe mode and 100% or 50% brightness of the lamp. Set the right mode for you, depending on your needs. Lightweight and compact You can take Superfire light almost everywhere. It weighs 20g, so you will not even feel that you have it on you, for example, attaching the BTL01 to your backpack or helmet. Additionally, its compact design (70 x 30 x 30 mm) makes it easy to store and carry. Durable With IP44 water protection, you can use it in the rain without worry. It was designed to be used outdoors, so you don't have to worry about damaging it. In addition, the accessory remains in standby mode for up to 4.5 hours and its power will be restored in just half an hour.