Nice tonometer! Clear and bright screen, all numbers are static, do not blink. The cord is quite comfortable, long, no need for extension cords. I measure the pressure of my grandmother three times a day, so she herself has recently begun to take the device and use it on her own. There is nothing complicated about this. The handbag in the kit will protect against injury, and the grandmother even managed to attach her pills to it from pressure. So for retirees - a great option. At the same time, See full review