With the Specialized Stix Switch 2 Pack, your lighting options are endless. How? The Stix Switch features the ability to switch between red and white modes with a simple, long press of the power button. So, if you need extra light up front, more visibility at the rear, or a traditional front/rear combo, the Stix Switch 2-Pack delivers.Specialized Stix Switch 2 Pack FeaturesHeadlight or taillight—you decide. A 2-pack gives you even more options.Press-and-hold for two seconds to shift between white and red modes.Fresnel lens for maximum visibility in all directions.Flexible mounting system works with handlebar and seatposts from 22.2mm up to 35mm in diameter, as well as most seatstays. (Aero strap mount available separately).340mAh battery recharges via built-in USB tab in two hours (no extra cables needed).White Steady mode: 65 lumens for 2:00 hoursWhite Power Flash mode: 100 lumens for 6:00 hoursWhite Eco Flash mode: 35 lumens for 16:00 hoursRed Steady mode: 18 lumens for 2:00 hoursRed Surge Glow mode: 16 lumens for 7:00 hours