Have plugged these in and they both turn on and light up. However we have not tested them further so we are selling as seen. These were my Dads and they have just sat stored up for quite a while. There is a box of tube bulbs that come with them. The 2 x Kino Flo Diva Lite 401/201 Professional Studio Lighting Systems are high-quality, professional lighting systems designed for studio use. These black systems are compact in size, measuring 28 x 8 x 18 inches, and are perfect for lighting up scenes during photography and filmmaking projects. With the renowned Kino Flo brand behind them, these studio lighting systems are reliable and efficient, providing consistent and versatile lighting for a wide range of creative applications.