Wall-Mountable Phone Basic and simple to use: phone includes necessary features, making it simple and uncomplicated to use. Easy to set up - Connect phone to your RJ11 telephone jack by phone line included in parcel. Battery Free: No need batteries or DC/AC power, powered by phone line. Phone still works when power outage at your home Desk/Wall mountable: You can place base on a convenient or easily mount it on wall, saving on counter space. A redial feature lets you quickly call last outgoing number. Big Button Landline Phone: especially designed for home or hotel bathroom use. You can also use it in living room, bedroom or kitchen for home and office use. Functions: 1. /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. High quality ABS material, 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 above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.