***CHARGER NOT INCLUDED*** ***BATTERIES NOT INCLUDED*** Panasonic KX-TGA470 DECT 6.0 Plus Accessory Handset for compatible Panasonic Cordless Phones Cordless Phone SYSTEM NOT included; this is just an accessory handset Requires main phone unit to operate; this is just an accessory handset Extra handset for the following models: Extra handset for the following models: KX-TG4731, KX-TG4732, KX-TG4733, KX-TG223SK, KX-TG4734, KX-TG4784, KX-TG4741, KX-TG4742, KX-TG4743, KX-TG4744, KX-TG234SK, KX-TG4745, KX-TG235SK, KX-TG4793, KX-TG4753, KX-TG4763 you will need to register the cordless phone to your current main base ,just fellow the steps below : Try to program it ,just fellow the steps below: 1.Handset: Press [MENU] button.+ # + Enter 130 2. Main Base unit: Press and hold [INTERCOM]or Handset Locator button 3. Handset: Press [OK].