Fluorescent lamps are phosphorous-coated tubes filled with a low-pressure mercury vapor. Light is produced by passing an electric arc between tungsten cathodes at opposite ends of the tube. This causes the mercury vapor to generate a radiant energy. Product Features 10000 Average rated hours 40-Watt medium base 5000K natural light bulb Energy Saver

Specification: Color: Black Screen: 5 inch 16 million color screen Battery:3.7V high capacity polymerlithium battery Video format:MP4/RM/AVI/ASF/MOV/MPE/DAT/MPEG/MPG/RMVB/3GP Music format: MP3/WMA/Record format: MP3 WAV/APE/FLAC/OGG/RA Image format: JPG/GIF/PNG/BMP PC connection: B-5Pin (USB2.0)  Games: Built-in 2600 classic games,32 Bit operation system.  Larger screen: Larger sized HD screen get you better vison experience when playing games, helps the player to...

Product Features * Strong Clip and Flat Base * Battery Powered or USB Powered * Rechargeable 2600 mAh Battery * USB Powered and Charging * Lightweight and low noise * Small and Portable * High quality and durable * Stepless speed regulation * 360 degrees vertical and horizontal rotation Specification Item Weight:0.6 pound Packing...

Specification: Color: Black Screen: 5 inch 16 million color screen Battery: 3.7V high capacity polymerlithium battery Video format:MP4/RM/AVI/ASF/MOV/MPE/DAT/MPEG/MPG/RMVB/3GP Music format: MP3/WMA/Record format: MP3 WAV/APE/FLAC/OGG/RA Image format: JPG/GIF/PNG/BMP PC connection: B-5Pin (USB2.0)  Supported System:Win2000/Vista/XP//Win7/Win8/Win10 Games: Built-in 2600 classic games,32 Bit operation system.  Larger screen: Larger sized HD screen get you better vison experience when playing games, helps...