Fixed Wireless Phone - Our Desk Phone support dual SIM cards and several GSM frequency including 850/900/1800/1900MHZ and 2G network as well.Multi-function phone - It can speed dial, record 50 groups of call records for your convenience and other regular functions. In addition to the regular functions, there are radio, alarm clock functions. A telephone brings more functions.Multinational system language - Chinese, English, French, Spanish, Portuguese 5 languages provide you to choose, you can set up the language you need.Powerful battery - Built-in 1000mAh li-ion battery provides up to 5 days of battery life without having to worry about suddenly running out of power.7 levels of brightness adjustment - Depending on the ambient light, you can adjust the display font brightness to ensure clear content display.External antenna - External antenna makes the signal receive more stable, get rid of the trouble of disconnection, ensure every call sound quality clear, unimpeded communication.Type: ETS-6588GSM Frequency: 850/900/1800/1900MHZBattery: 3.7V 1000mAh Li-ion BatteryLCD Backlight Function: SupportVoltage: AC220VPlug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so onColour:BlackMaterial:ABSSize:25x20x6.8cm/9.8x7.9x2.7inchPackage Contents:1 x Cordless Phone Desk PhoneOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.