Never pay down a deposit in a bank account until you have met the seller, seen signed a purchase agreement.
No serious private advertisers ask for a down payment before you meet.
Receiving an email with an in-scanned ID does not mean that you have identified the sender. You do this on the spot, when you sign a purchase agreement.
For sale: Divoom device. It's a speaker, radio, photo frame, pixel coloring, game, timer, sound level meter, alarm clock, white noise source (fire, water, birds, etc.). And just a cute interior item that pleases the eye. With the original plastic case that closes and stickers.