Lezyne - LED - KTV Drive - Rear - BlackThe KTV Drive Rear is a compact safety light designed to fit on an aero-post. It has two bright LEDs that offer excellent visibility. Despite its lightweight construction, this light is extremely durable and even waterproof (IPX7 rated). You can expect up to 20 hours of runtime, which is a seven-hour increase compared to previous models. The improved optics ensure a wider angle of visibility, reaching over 180°.With a maximum output of 10 lumens, the KTV Drive Rear has five different output/flash modes to choose from. It also comes with an integrated USB stick, making recharging easy and hassle-free. Available in both Black and White, this light can be purchased individually or as a pair.