Using the DECT Plus technology, the Panasonic KX-TG6511B phone ensures crystal clear and interference free conversations, with a wide range and superb sound clarity. This Panasonic single line phone features the intelligent eco mode, which automatically lowers the power consumption if you are talking on a handset near the base unit. Avoid unwanted calls by blocking them with the call block feature of this Panasonic cordless phone. Turn on the silent mode feature of the Panasonic KX-TG6511B and continue working on important project, without getting disturbed by the loud and irritating rings. Supporting caller ID and call waiting feature, this Panasonic single line phone keeps you updated with the callers’ number, even if you are busy talking on the phone. The handset of this Panasonic cordless phone has a lighted keypad, which makes the number dialing easy in dark areas.