Small Landline phoneExquisite and compact, does not occupy much space. Wall PhoneIf you need to use as wall phone, it cannot be line up with standard rj11 mounting tabs. The product is not equipped with hanging nails, you need to find suitable nails by yourself. Powered by telephone lineRJ45(6P2C) Powered by telephone line, no battery required. Simple and convenient, energy saving and environmental protection. More FunctionWith flash function and call mute function.No caller ID display.With last number redial function. 100% Satisfaction GuaranteeIf you have questions about the product or are not satisfied with it, please contact us at any time, we will provide you with a best solution. Your satisfaction is our main concern.