The AXA Greenline has a mat and compact design with luminous efficiency. It is ease to use and on top of that is USB chargeable. The Greenline is simply mounted and easy tot take with you. These lights are suited for almost every bicycle due to the flexible rubber fastening strap. The Greenline lights are sustainably chargeable via the supplied USB-cable. The Greenline 25 has 2 lighting modes: mode 1 ensures maximum battery life and mode 2 provides an optimal light output. The battery of the Greenline 25 offers up to 7 hours cycling pleasure with a charged battery in less than 2 hours charging time. With a life span of 1000 charges, the Greenline offers a sustainable alternative for the usual battery lights. Always being visible as a result of the powerful light output of 25 lux. The Greenline guarantees operation at temperatures of between -10 and +40 C. Even with rain and snow.