Portland Design Works' top - selling tail light! The Danger Zone features two super - bright 0.5 - watt red Nichia LEDs. It offers three handy modes (zZz, a - Ha!, and Rock Steady) and can run for up to 50 hours on 2 included AAA batteries. With the Stayputnik mount, you can install it on your seatpost in seconds. It has a weatherproof exterior for year - round riding and weighs just 57g (2oz).


Using your Danger Zone Rear Commuting Bike Light is a breeze. First, insert the 2 included AAA batteries into the battery compartment. Then, use the Stayputnik mount to quickly attach the light to your seatpost. You can switch between the three modes (zZz, a - Ha!, and Rock Steady) by pressing the button on the light. For long - lasting use, make sure to keep the batteries fresh. When not in use, store the light in a dry place. Also, wipe it clean regularly with a soft cloth to maintain its weatherproof exterior. If you notice a decrease in brightness, it might be time to change the batteries.