Model: OCBS-2020 Color: Black Material: ABS+PC Processor: 32-bit ARM MCU + DSP Interface: USB Prompt mode: Buzzer, indicator(LED) IP grade: IP42 Power consumption: 375mW(Working);226mW(standy);750mW(Max) Power supply: DC 5V ±5% OS support: Linux Android Windows XP 7 8 10?MAC Sensor: CMOS sensor Light source: Red LED(Aiming)+White LED(Lighting) Resolution: 4mil PCS90%,CODE 39? Error rate: 1/5 million Motion Tolerance: 25cm/s Reading Mode: Image Trigger mode: Manual,Continuous scanning,Auto-sensing ESD Protection: 15KV air discharge Shock resistance: 1.5m free fall on concrete surface printing contrast: 25% Barcodes:1D:Code25-Interleaved , Code25-Standard , Code25-Matrix , Code39-Regular, Code39-FullASCII, Code32, Code93-Regular, Code93-FullASCII, Code128, EAN/GSL/UCC-128Auto, ,Codabar,MSI ,EAN/JAN-13,UPC-A,JAN-8,UPCE,2D:PDF417, QR, Data Matrix Reading depth: Code39 4.17mil(15bytes):4cm-8cm, Code128 4.17mil(16bytes):7cm-15cm, Data Matrix 10.83mil(8 bytes):3cm-9cm, Code QR 10.83mil(8 bytes):1cm-19cm Scanning Angle: Roll360°,Pitch30°,Yaw45° Working temperature& humidity: 0 to 45 degrees centigrade,  10%~80%   No condensation Storage temperature& humidity: -20 to 60 degrees centigrade , 10%~90%  No condensation