Zeebeetronics manufactures Evenon - 500 Automatic Switch. Zeebeetronics also offers electrostatic discharge [ESD] test, measuring and control instrumentation. Evenon - 500 Automatic Switch can be used with incandescent bulbs and all fluorescent, Mercury & Sodium vapour lamps up to a maximum of 500 Watt. The light level at which switching is desired is user settable. Evenon - 500 Automatic Switch is ideal for the porch, garden, and garage of the home and also as security lighting for storage yards, farms, estates and industries.