An Elkay branded timer switch with a built in PIR sensor and blue indicator ring. It can detect movement within a 5-7m range from the unit and has a detection angle of 360 degrees. It is suitable for back boxes that are 25mm in 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.