Gaciron V9D1800 Front Light [Light Features] This is a top-spec light from Gaciron. The 1800-lumen brightness from two ultra-powerful LED lights, along with a 125-degree beam angle, provides sufficient performance for safe night riding. The included wired remote control, exclusive to Gaciron's high-end models, allows you to mount the light's switch on the handlebars, making it easy to turn the light on/off and change modes while riding. The silicone button switch indicates the remaining battery life with its color, preventing sudden extinguishing due to low battery. [Estimated Usage Time] Ultra (1800 lumens): 1 hour 55 minutes High (900 lumens): 4 hours 30 minutes Middle (500 lumens): 6 hours 25 minutes Low (200 lumens): 12 hours 30 minutes Breath (50-100 lumens): 50 hours Strobe (1800 lumens): 2 hours 45 minutes Operation confirmed. * The included wired remote control tends to have poor contact and often doesn't work. The main unit's remote button functions without issue. Please check the photos for scratches and condition. Accessories: [Charging cable, wired remote control, mount] * To reduce shipping costs, the box will be flattened for shipping.