Features: Battery-free design, avoid battery replacement and other tedious operations, just insert the cables, plug and play. Multi-function design, support hands-free calls and caller identification, clear sound quality. Support 38 incoming/16 outgoing call memories, 16 kinds of ring selectable. LCD backlight display, you can see clear even at night, 5-level brightness adjustable. Support redial/pause/flash and other functions. Compatible with DTMF/FSK. Adopt eco-friendly ABS material, solid and durable. Wide application range, suitable for home, office, hotel, restaurant, retail store, warehouse, etc. Specification: Model: L019 Color: Black Material: ABS LCD brightness adjustment: 5-level Item size: 20.5 * 15.5 * 7cm /8.07 * 6.1 * 2.76in Packing list: 1 * Host 1 * Handset 1 * Coil cord 1 * Straight cord 1 * User manual