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.
Universal Waterproof Pouch Bag Phone Case Production Description : This case is great for taking videos, taking photos, or just keeping your electronics safe and water-free when : swimming, rafting, boating, diving, playing, or enjoying the beach. This case is designed for universal fit and is not specially made for any specific device. Each case has a seal ...