Knog Frog Strobe 1 LED Bicycle Tail Light Red LED

1 LED. Flexible silicon body with an integrated clip feature allows for quick mounting ideal diameter 22 to 32mm. Visible up to 13 of a mile. Burn time of 50 hours constantand 80 hours in flashing mode. 22 lumens output. 4 modes: ConstantStrobeDISCO StrobeFlashy Strobe. Uses 2 CR2032 batteries included. 19g including batteries. To be used as a safety light only