Features: Batteryfree design: The fixed telephone adopts a batteryfree design, which doesnot require additional battery. Wall mounted design: suitable for wall mounted installation, saving space and making call more convenient and efficient. Multiple functional application: for such as hotel, offices, homes, and schools, with wide applicability. Easy to operate: With a simple and easy to understand button design, it is easy to operate and suitable for use by various age groups and user groups. LCD dispiaying：Displays Month Date Hour and 38 incomings meories & memmmories checking call back function Specifications: Model：KX~071 System support: DTMF/FSK Two system Caller Display Phone LED Dispiaying: Month Date Hour Functions: Call Back Function Color: 1/2 Package Includes: 1PC KX~071 Landline Phone note: Due to the problem of lighting effect and shooting angle, there mightbe tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurm