Sunlite Ion Combo LightsetThe Sunlite Ion Combo Lightset is an excellent addition to your safety gear with a 32 lumen front light paired with an 8 lumen tail light. These lights are great to help drivers and other traffic be aware of your presence. They are designed to resist water and there is a silicone rubber strap that fits most handlebars or posts. There are two modes, constant and flashing.888571038604