Desktop Wired Landline Telephone with Large Buttons Hands-free Calls Adjustable Screen Brightness Black(US Telephone Line) Features: Battery-free design, avoid battery replacement and other tedious operations, just insert the cables, plug and play. Support 50 incoming and 14 outgoing call memories, 16 kinds of normal ring selectable. LCD backlight screen, you can see clearly even at night, 5-level brightness adjustable. Multi-function design, support handset, hands-free calls and caller identification, clear sound quality.  FSK/DTMF compatible. Wide application range, suitable for home, office, hotel, restaurant, retail store, warehouse, etc. Specification: Model: L011B Color: Black Material: ABS LCD brightness adjustment: 5-level Call memory: 50 incoming and 14 outgoing call memories Alarm function: 3 groups Item size: 21.5 * 16.5 * 7cm /8.46 * 6.5 * 2.76in Packing list: 1 * Host 1 * Handset 1 * Coil cord 1 * Straight cord 1 * User manual