Black LED light for bicycles, easy to install. Despite being quite lightweight, it has a luminous flux of 400 lumens. It's quite bright. Since I haven't used it at all, the battery is not drained! ■ Switch press: Power on ■ (While powered on) Switch press: Brightness change ■ (While powered on) Double-click the switch: Change flashing mode ■ Long press the switch: Power off Thank you. (The following is quoted from the official website, etc. Please note that there may be errors as I am not very familiar with it.) ・Suggested retail price: 4,290 yen ・Size: 44 x 71.3 x 25.6 mm ・Weight: 66g ・Maximum 400 lumens when continuously lit ・Waterproof performance: IPX4 ・Battery indicator equipped ・Mode memory function ・Usage time: (Steady) 2 hours (400 lumens) 3 hours 30 minutes (250 lumens) 6 hours 30 minutes (130 lumens) 12 hours (70 lumens) (Flashing) 80 hours (40 lumens) 25 hours (130 lumens) 13 hours (500 lumens) 40 hours (Day flash 500 lumens) ・Charging time: 2 hours 30 minutes ・Accessories: Handlebar bracket - Brand: meteor - Color: Black - Type: Bicycle light Thank you for viewing.