The AUTHOR PILOT COB USB features superior 360 degrees visibility with hi-end COB LED technology, providing a new level of safety. Build in nylon plastic case. COB LED technology 40-50 lm. Rechargeable Li-ion battery 500 mAh ( min. 500 charging cycles ). USB 2.0 A/Micro B charging cable included. STEADY MODES: 40 lm – 2:00 h, 20 lm – 4:00 h, 40 lm dimming – 4:00 h. FLASHING MODES: 50 lm slow flashing – 4:00 h, 50 lm quick flashing – 3:00 h, 50 lm day flashing – 6:00 h. Adjustable tool free bracket with silicon strap for diameter 15 –35 mm even the unround profiles. Clothing clip (included in packing). Battery capacity indicator – built in switcher ( Red light = capacity is 1-20 % ). Battery capacity safe mode – light switch to slow flashing mode automatically once the battery capacity is lover than 20%. Charging indicator ( steady red light = charging , steady green light = full charged ). Charging time 1:30 h aprox. Recommended discharging / charging period – minimum 1x / 6 months. ↓↓↓# light rechargeable # USBwhere to buyaccessoriesproduct testphotogallerydownloadproduct optionsaccessories Photogallery Download [ TEST ] test Cykloservis 2020-02 [ jpg, 350 kB ]charging [ pdf, 454 kB ] Product options black / red-glass24"-28" = UA#12039149 accessoriesAUTHOR Bracket ACC-X5Universal bracket for the lights Author A-Duplex X7, A-Square USB CobLed, A-Pilot CobLed USB 50 lm, A-Doppio 40 lm.