USB Powered E27 5W LED Bulb   Main Features: ● Healthy source, does not contain the ultraviolet ray, no harmful material to human body ● Environmental pollution and contains no mercury and harmful to the environment ● Easy installation, vibration resistance, resistance to blunt ● Long life expectancy, low power consumption, strong anti-interference ability ● Light angle: 180 degrees Very Important: ● We have cold white light and warm white light, please leave message if you need the cold white light or warm white light Notes: ● Please shut off the power when installing ● Please avoid glare when installing   Average Life (hrs): 50000 Hours LED Chip Brand: Epistar LED Chip Model: 5730 Number of LED Chip: 1 pcs Support Dimmer: No Wattage: 5W   Package weight: 0.142 kg Package Size(L x W x H): 14.00 x 6.50 x 6.50 cm / 5.51 x 2.56 x 2.56 inches Package Contents: 1 x E27 5W LED Bulb     Product Notes： 1. Please confirm the voltage first. If the voltage of a product is 12V-24V, then you must use a professional LED voltage converter.If the voltage in your country is 110V,then you should choose a product that voltage is 110v or 86-265v(86-265v is adapt for all country.) 2. Please check the specifications of the product carefully before ordering to insure a proper fit. 3. Do not disassemble any bulbs by yourself. 4. Be sure to cut the power off before beginning installation to avoid personal injury