Hign-concerned Chemical: None Model Number: ZS031 Supported Operating Systems: Windows 7,Mac OS,Windows 10,Windows 2000,Windows 2008,Windows 2003 Lens (mm): 3.05-15.5mm,4.6mm,25mm,60mm,1.56mm,1.7mm,2.5 mm,8-32mm Connectivity: IP/Network Wireless High Definition: 8.0