Smart Security System is the most compact security system including three fail-safe products for aquariums. Each product comes with a super tiny sensor wired with an AC switch which is able to turn off the secured device as any failure situation is detected. Smart Skimmer Security is designed to avoid the overflow of skimmer. Smart Level Security prevents the aquarium from overflowing or equipment running dry. Smart Temperature Security secures the aquarium temperature and prevents the aquarium from overheating by heater or overcooling by chiller.