The CUJO Smart Firewall is a home network security device that provides hack prevention and parental controls. With a minimum RAM of 4GB and a processor speed of 66MHz, this firewall is designed for use with Android operating systems. It comes in a subscription format and has a minimum hard drive space requirement of 50MB. The CUJO Smart model offers language options in English and is a single unit capable of securing a network for one device. Ideal for families looking to protect their home internet connection from potential threats.