The integrated light sensor auto-adjusts brightness to your environment. Connect with Garmin® and Bontrager ANT+ devices for always-on, battery status and wireless control. 200 lm-1.5 hrs, 100LM-3 hrs, 5 lm-14.5 hrs, Night Flash-30 hrs, Day Flash-12 hrs. Easily attaches to your handlebars, helmet or bike mount. Blendr-compatible bar mount available. Includes Ion 200 RT, front Quick Connect bracket and a Micro USB charging cable.