The Portland Design Works Danger Zone has two brilliantly bright 0.5 watt red LEDs by Nichia. It includes three modes (zZz, a-Ha! and Rock Steady) for up to 50 hours of run time using 2xAAA batteries. The Danger Zone installs in seconds to your seatpost with the included Stayputnik mount.

• Two 1/2 watt LED's
• Three unique light settings: zZz, aHA!, and rock-steady
• Includes Stayputnik quick release taillight mount, fits up to a 31.8 seatpost and attaches without tools
• Two AAA Alkaline batteries included
• Battery: 2, AAA Alkaline, 3(V), 3.8(Wh), Included