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.
A blood pressure monitor, also known as a sphygmomanometer, is a device used to measure blood pressure, which is the force of blood against the walls of arteries as the heart pumps. These devices typically consist of an inflatable cuff that is wrapped around the upper arm or wrist, and a gauge that displays the systolic and diastolic blood pressure readings.
