Feature:1. LCD 3line display. Premark and edit features. Redial 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 memory input numbers and 10 memory output numbers. 50 phone book memories, containing 12 characters, up to 20 numbers.4. The call is transferred to another device and the internal call between the 2 devices. External calls and conference calls between 2 phones.5. 10 touches to choose. The ringtone/headphone/handsfree volume is adjustable. Different melody for different calls.6. Alarm function. You can set the tone/pulse dialing 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.Specification:Item Type: TelephoneMaterial: Plastic Color: As Pictures Shown Weight: Approx. 442g/15.6ozProduct Model: D1002Frequency: 1.8/1.9ghzType of Ringtone: 10 SongsGAP Protocol: SupportCall Storage: 30 GroupsCalling System: FSK/DTMF Dual SystemHands-free Calling: Both Host and Sub-machine Are SupportedTelephone Transfer: SupportCharging Function: Sub-machine SupportPreset Dial: SupportedExtended Number of Submachines: Support 5pcsThird Party Call: Outside Line and 2pcs Sub-machine Type: Digital Cordless Telephone16 Interface Languages: Portuguese, Spanish, English, French, German, Italian, Dutch, Hungarian, Greek, Polish, Danish, Norwegian, Swedish, Turkish, Russian and Ukrainian.Ringer Adjustment: Ringer 5 Gear, Handset 5 Gear, Hands-free 6 GearAlarm Settings: SupportedDischarge Storage: 10 SetsInternal Intercom: Support Re-dial/stop: SupportPreset Dial: SupportedFlash Function: SupportedKeyboard Lock Feature: SupportedLuminous Function: Screen Blue BacklightWorking Indicator and Charging IndicatorBattery: 2XAAA Battery (not Included, Rechargeable Battery is Recommended)Wire Length of Adapter: Approx. 1.4m/4.6ftTelephone Line Length: Approx. 2m/6.6ft.Package List:1 x Sub-Telephone1 x Base1 x Manual1 x Power Adapter1 x Telephone CableNote:2xAAA rechargeable batteries are recommended.