Using this ETC sensor rack is easy. First, make sure it's placed in a well - ventilated area. Connect all the included modules as per the basic connection guides. When using, avoid overloading it beyond its 2.4 Kw capacity. For maintenance, regularly check the modules for any signs of wear or damage. Clean the rack gently with a dry cloth. If you notice any abnormal behavior, like overheating or strange noises, turn it off immediately and contact the support team.