A:AnswerThere is no charging base - it has batteries. You're supposed to wear it around you neck like a pendant so if you fall or can't get to the phone you can call one of your emergency contacts ... if none of your contacts answer, it then calls 911 ...you need the vtech phone for it to work with ...
A:AnswerKatymac - Thank you for showing your interest with the VTech SN7022. The VTech SN7022 is compatible with the VTech SN5147 and SN5127. The said phone systems can have up to 30 SOS pendants. For further assistance, you may contact our Consumer Sales and Service Center between the hours of 9:00 AM and 3:00 PM Monday through Friday at 1-800-595-9511.
Thank you!
- VTech Support