Good bicycle lighting on the back of the bike is indispensable to be seen. This compact Dresco rear light has 15 super red bright small COB LED lights, which together form one light beam. The lamp has three different functions: on / flashing light / off and is easy to operate by the pressure switch on the front of the lamp. The Dresco rear light is compact and can easily be attached to the seat post or rear fork with the included adjustable rubber band. Suitable for seatposts or rear forks with a diameter of 25.4 to 31.8mm. The lamp can be removed from the holder at the destination. The lamp works on 2 supplied CR2032 batteries.