The light sensor for the XT2 Plus alarm panel\n\nThe LUPUSEC light sensor measures the brightness at its location and transmits this information to your alarm panel. Thus, you are able to create brightness controlled home automation rules, e.g. automatically opening your shutters in the morning, or lowering your jalousies if it is too bright.\n\nBroad expandability - The LUPUSEC alarm system:\n\nWe offer a wide variety of sensors and accessories that you can control and programm in your smart home alarm system. You can intigrate door contacts, IP cameras, motion detectors, mechanical and magnetic locks, shutter relays, and heating controls with just a view easy clicks to your smart home alarm panel.