Docooler&reg; 2.4" TFT Fingerprint Face Recognition Attendance Machine Time Clock Recorder Employee Check-in Reader USB Support English Version The machine can be used to check on work attendance for office, factory, hotel, school, etc. The machine is not only with basic recognition way of password and fingerprint, but also with advanced face recognition. Quick response, the identification time is less than .5 second. Special stereo dual sensor, image detection range up to 8cm. Easy to operate, helpful for reducing the administration workload.