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 50 incoming/14 outgoing call memories, 16 kinds of normal ring selectable. LCD backlight screen, you can see clear even at night, 5-level brightness adjustable. Support redial/pause/flash and other functions. Compatible with FSK/DTMF. Wide application range, suitable for home, office, hotel, retail store, restaurant, warehouse, etc. Specification: Model: L005 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 * 17 * 8cm /8.27 * 6.69 * 3.15in Packing list: 1 * Host 1 * Handset 1 * Coil cord 1 * Straight cord 1 * User manual