Other featuresCordless landline phone with caller id, Indoor range: up to 50 meters, Parallel internal and external calls (1 parallel call support), energy saving, paging, text based menu, time display, date display, call duration display, alarm clock, plug and play installation and charging status display, For any installation purpose to refer the mannual, High quality, ergonomic keypad, 10 selectable ringtones, No handsfree, earphone with adjustable volume (5 levels)