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.
It's a wifi tablet (u can download or access the Internet by connecting it to wifi). It comes with pre installed games and apps. It comes with free hard cover, which protects it from easy kids damage. It comes in different colours: pink, blue and green.