1、Function: FSK DTMF dual system function, pause function, mute function, redial function. 2、No Need Battery: The phone is powered by the telephone line and does not require an additional power source. 3、Space Saving: The appearance is small and can be hung on the wall to save space. 4、ABS Material: The mini wall telephone is made of ABS material, making the phone can be used longer. 5、Multipurpose Phone: The wall mounted corded telephone landline can be used in schools, hotels, offices, homes, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin