The Numa KC 3200 ZB wireless bar code scanner is very easy to install. Most wireless scanners on the market need you to install software and follow a set up procedure before the scanner is operational. The Numa scanner has a simple USB connection you plug in to your computer and it just works! Interface USB ComPort emulation / HID USB Barcode supported UPC/UPC-E, EAN, Codabar, Code39, Code32, Code93, Code11, Code128, Interleaved 2 of 5, Industrial 2 of 5, Matrix, MSI/Plessey, Telepen, GS1 DataBar Communication RF standard Zigbee IEEE 802.15.4 Working Distance 100M Optical Optical sensor 2500 pixels Laser Light source Red LED (660nm) Laser diode (650nm) Resolution 3 mil 4 mil Depth of Field 30mm ~ 200mm (13mil) 10mm ~ 200mm (13mil) Scan rate 270 scans / second 100 scans / second PCS => 45% => 45% Electrical Voltage + 3.3V ± 5% + 5V ± 5% Scanning currents < 110 mA < 120mA Standby currents < 90 mA < 90 mA Sleep mode 0.3mA 0.3mA Environment Operating temperature 0℃ to 40℃ ( 32℉ to 104℉) Storage temperature -20℃ to 60℃ / -4℉ to 140℉ Relative Humidity 10% ~ 90% Shock resistance 1.5m drops Physical Weight 140g 195 g Dimensions 190mm (L) x 60mm (W) x 54mm (H) 160mm (L) x 68mm (W) x 88mm (H) Housing Material ABS plastic Battery Battery Type Lithium-ion 3.7V Battery Capacity 1620mAh good for 60,000 scan per charge 2200mAh good for 50,000 scan per charge Charge By USB power retrieving cable Time Of Charge About 4 hours