- 4.6cm / 1.8" color display - Clear keypad layout - 4-way navigation key - Baby monitor also calls external numbers - 14 hours talk time / 250 hours standby time - 200 contacts - ECO Plus mode - Opt. handset KX-TGHA7GS / GG Blocking of up to 1,000 phone numbers - Blocking of dialing computers and unwanted phone numbers or number ranges Extra lock key - for easy saving of unwanted caller numbers Two speed dial keys - Frequently used phone numbers can be saved under the "A" and "B" keys. Increased volume - Up to 70% louder than conventional Panasonic phones (KX-TG6821) - as with the TGE22x series Shockproof - According to military standard MIL-STD-810G,516.6 Side volume keys - Easy volume control during a call using extra keys