Feature 1 LCD 3line display, with premarking and editing functions, recall and pause functions. 2 The same basic unit can register up to 5 devices, and each device can register up to 4 basic devices. 3 30 incoming numbers memories and 10 outgoing numbers memories, 50 phone book memories, containing 12 characters, up to 20 numbers. 4 The call can transfer to another device and support internal calls between two devices, external calls and conference calls between two phones. 5 10 ringtone options, suitable for different melody of different calls, adjustable ringtone/headphone/handsfree volume. 6 Alarm function, you can set the audio/pulse dial mode, flashing time 100/300/600/1000ms for selection, 16 interface languages. 7 LCD backlight function, automatic/manual answer function, dial restriction function, keyboard lock function, mute function.Item Type: Expandable Cordless TelephoneMaterial: PlasticColor: BlackWeight: Approx. 342.0g/12.1ozModel: D1005Input: 100-240V, 50/60hzFrequency: 1.8/1.9ghz16 Interface Languages: Portuguese, Spanish, English, French, German, Italian, Dutch, Hungarian, Greek, Polish, Danish, Norwegian, Swedish, Turkish, Russian and Ukrainian.Battery: 2 x AAA batteries (not included)Phone Size: 16.6x4.6 x2.4 cm / 6.5x1.8x0.9 inBase size: 8.2x7.5x9.9 cm / 3.2x3.0x3.9 in Package List1 x Expandable Cordless Telephone1 x Base1 x Adapter1 x Phone Cable1 x ManualNoteRecommend to use 2pcs AAA rechargeable batteries.