Power supply: telephone line power supply, no external power supply required Support redial of the last number, no display, with Mute/ Pause/ Hold/ Reset/ Flash/ Redial functions. It can be both put on the table and hung , small size, easy to carry. Adopt high quality ABS material for durability, convenient and easy to use. Reliable to use, long service life, not easy to damage, and you can use for a long time. Specification: Placement: support wall hanging and place on the desktop Size: about 21.5 x 6.8 x 6cm Material: ABS colour: white Package Contents: 1 x landline phone 1 x telephone line Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.