ZKT Uface 800 attendance device Specifications: Color touch screen without buttons, dual color camera, supports Bluetooth and Wi-Fi. Internal battery, stays operational in case of power outage. Supports 4000 employees. Recognizes handprint, face, and card. Color screen. All fingerprint device specifications are available in it. The device has been used for a week, almost new, with charger. Its new price is 1400.