... for wireless communication.Built-in contacts for 3rd party electric lock, door sensor, alarm, exit button, or bell.Wiegand Output ... , Self-Inquiry, Work Code, Short Massage, T9 inputAccess Control Interface: Lock, door sensor, exit button, alarmWiegand Signal: Input & OutputOptional Functions: ID ... Humidity: 20%-80%Dimension: 193.6X165X111 mmNet Weight: 2.1kg Facial Time Attendance and Access Control