Theta Front Light details:

• 2 lights beam including 1) focused light over the front wheel 2) Wide distributed light arc to light up road conditions
• Automatic ambient light sensor for brightness control
• Power indicator
• Run time approx 2.5hrs (High) / 4hrs (Low)
• Mount size 22mm - 32mm
• IPX 5

Aero-X Rear Light details:

• Automatic motion sensor
• Automatic power saving when idle
• Low power mode
• Fits with both aerodynamic and round seat posts
• 60 Lumens
• Run time approx 50hrs (flash) / 20hrs (strobe) / 7hrs (constant)
• IPX5