lohas emergency light bulbs, led bulbs usb rechargeable portable back up light, 3 light modes dimmable 9w 60-watt equivalent 850lm daylight 6000k, light bulbs for home power failure camping, 2 packs l lohas led <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