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 compatible with home, office, hotel, restaurant, retail store, warehouse, etc.Specification:Model: L019Color: BlackMaterial: ABSLCD brightness adjustment: 5-levelItem size: 20.5 * 15.5 * 7cm /8.07 * 6.1 * 2.76inPacking list:1 * Host1 * Handset1 * Coil cord1 * Straight cord1 * User manual"