Images link : https://ibb.co/album/tw3wtv
Video link : https://drive.google.com/file/d/1BbiiZYW8BAONctWgL5EW7gkCsqKfZnyp/view?usp=drivesdk
This is a senao sn555, super long range cordless telephone.,it was in the attic for a long time , I didn't find any manual or even anything about this...