Product Details HAB10H Multi Handset Phone Syste Panasonic Multi Handset Phone System. includes 4 handsets, DECT 6.0 Plus, enhanced noise reduction, talking Caller ID, power back up operation, 18 minute answering system with message forwarding, call block, silent mode, light up indicator, Intelligent ECO mode, tone equalizer, RangeBoost, key detector compatible, 1.8" LCD display