Product parameters:
· Communication mode: USB flash disk, USB
· Sensor: high precision total reflection optical sensor
· Effective sensing area: 16*16mm(360°recognition)
· Screen: 2.4 inch HD LCD
· Language: Chinese, English
· Resolution: 500DPI
· Working voltage: DC 5V
· Working temperature: 0-60℃
· Working humidity:20%-80%
· Battery: 1 * 3V CR2032 button battery for time display (included)