Wall-Mountable Phone Basic and simple to use: phone includes necessary features, making it simple and uncomplicated to use. Easy to set up - Connect the phone to your RJ11 telephone jack by the phone line included in the parcel. Battery Free: No need batteries or DC/AC power, powered by the phone line. Phone still works when power outage at your home Desk/Wall mountable: You can place the base on a convenient surface or easily mount it on the wall, saving on counter space. A redial feature lets you quickly call the last outgoing number. Big Button Landline Phone: especially designed for home or el bathroom use. You can also use it in living room, bedroom or kitchen for home and office use. Functions: 1. FSK/DTMF dual system automatically checking. 2. Last number redial function. 3. Flash function to end or to transfer calls. 4. Desk/Wall mountable function. 5. Handset volume adjustable. 6. Ringer volume adjustable. 7. ABS material, durable for long service life. 8. Powered by telephone line, no need to install battery, energy saving and environmental protection. Color:A:Black Material:plastic Package Contents: 1 * Telephone Landline Phones 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.