Dazor's 2-tube fluorescent lamps now includes mirror reflectors providing even more light than original versions. Complete with superior energy efficient electronic ballasts, these lamps are equipped with the classic patented floating arm allowing precise positioning with ease without drifting or bouncing. Durable, all metal construction with single click rocker style on/off switch for instant response. 43" reach, 7' cord and 3-prong plug. Complete with a universal clamp which allows the lamp to be clamped or bolted to a horizontal surface up to a 2-1/4" thick. Supplied with 15W daylight tubes/light bulbs. Consider purchasing optional 15W Full Spectrum Tubes/Light Bulbs for accurate color. Full Spectrum Tubes/Light bulbs also product less glare and emit less heat.