<b>Specification:<b><br> Brand Name: LOHAS LED <br> Color: 6000K Daylight <br> Luminous Intensity: 850lm <br> Watts:9W <br> Light Source Wattage: 60 Watt <br> Dimmable: 3 light modes dimmable. <br> Dimming Method: Press the button once for 100% brightness, twice for 50% brightness and press three times for fast/slow flash. <br> Using Time: 5-8 hrs <br> Charging Time: 2 hrs <br> Batteries: 2 Lithium ion batteries required. (included) <br> View Angle: 240 degree <br> Input Voltage: 5V <br> Diameter: 5.43*3.15 inch <br> Special Features: Emergency LED light bulb, 3 lighting modes, USB charged