... machine (RFID multi-function attendance machine)Product profile ER-881 attendance machine set attendance and access control functions ... recycled fire-resistant PVC material, designs simple and convenient. ER-881 is a fully functional, performance, excellent attendance machine. ... .9.Volume: L200mm×W130mm×H46mm10.Gross weight: 550g. ER-881 Multimedia Time Attendance rol,ARM Processor,support M1 card ...