Elkay presents this timer switch with a built in PIR sensor and blue indicator ring. This version of the product is a slave switch which requires a master switch to be installed in order to work. It can detect movement within a 5-7m range from the unit and has a detection angle of 360 degrees. It is designed for back boxes that have at least 25mm depth and all load types up to 16A but is not compatible with contacts. It has many features such as adjusting the time delay between 2 minutes and 2 hours adjusting the lux setting and has an override facility. Important note this product is not suitable for testing with a megger test or an insulation resistance test this must be done before installation. This product also does not require a neutral.