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 h, 20 lm – 4 h, 40 lm dimming – 4 h. FLASHING MODES: 50 lm slow flashing – 4 h, 50 lm quick flashing – 3 h, 50 lm day flashing – 6 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 lower than 20%. Charging indicator (steady red light = charging, steady green light = full charged). Charging time 1:30 h aprox. Recommended discharging / charging period – minimum 1× / 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.