2-level Switch Light Intensity: Power Mode 30 Lux/Eco Mode 15 Lux Illumination Time: Power Mode 7h/Eco Mode 15h Tool-free battery exchange and assembly Fit for bar diameter from? 22.2-?31.8mm With a low battery indicator Battery: AA*4 included German Approval Bicycle Rear Light Bulb: One Super Bright Red LED Function: On-Off With a low battery indicator Fit for bar diameter? 25.4 - ?31.8mm Battery: AAA*4 included
