Wireless Features
Communication mode : Wired transmission mode/wireless transmission real-time mode/
                                      cache mode/inventory mode
Communication Mode : 2.402 ~ 2.480GHz
Transmission range : 30 meters (empty area)
Battery capacity : 2000mAh lithium battery
Battery charging : About 5 hours
Continuous using time :About 11 hours  
                                     ( Under communication mode of wireless mode and real-time mode, read 60 times a minute)

Electrical Characteristics
Interface Supported : USB HID KEYBOARD / USB VSP
Input Voltage : DC 5V±5%
Current : 240mA

Optical Characteristics
Image Sensor : CMOS Array Sensor
Sensor Resolution : 640 X 480 Pixels
Light Source : White LED
Aim Light Source : Red LED