Specifications - 2.402GHZ-----2.480GHZ frequency band digital enhanced cordless phone - 75 channels FHSS, high quality voice SKYPE communication - Three language -- English, french, italian for choose - Support up to 4 handsets - Phone book could save 60 groups 24 numbers - Moble menu display - 50 groups incoming calls (covered 24 numbers) saved - 10 groups outgoing calls (covered 24 numbers) saved - Intercom and transference between base unit and handset - Conference call between external call and two handsets. - Key lock function - Low battery and over distance warning - Handset has 15 kinds of chord music for choose, it also has mute and anti-disturb function. Ring volume adjustable (1-5) - Handsfree function, BABY call function - Stay-by time: 150 hours, communication time could reach 8 hours. - TONE/PULSE switchable - FLASH time is adjustable - IP function - LCD light is adjustable - Alarm clock function