Features: Battery-free design, avoid battery replacement and other tedious operations, just insert the cables, plug and play. Multi-function design, support handset, hands-free calls and caller identification, clear sound quality. Support 62 incoming and 16 outgoing call memories, 24 kinds of normal ring selectable. Equipped with LCD backlight screen, you can see clearly even at night, 5-level brightness adjustable. FSK/DTMF compatible. Wide application range, suitable for home, office, hotel, restaurant, retail store, warehouse, etc. Specification: Model: K010A-1 Color: Black/White(optional) Material: ABS LCD brightness adjustment: 5-level Call memory: 62 incoming and 16 outgoing call memories Item size: 20 * 15 * 8cm /7.87 * 5.91 * 3.15in Packing list: 1 * Host 1 * Handset 1 * Coil cord 1 * Straight cord 1 * User manual