The GSC3620 is a weatherproof infrared (IR) ceiling-mounted dome IP camera with a 2.8mm-12mm varifocal lens - making it an ideal device for any monitoring need. It's variable focal lens allows it to provide wide-angle monitoring of nearby subjects in environments such as building entrances corridors banks hotels retail stores and offices narrow-angle monitoring of distant subjects for streets towers warehouses and farms as well as anything in between. The electronic auto-focus capability ensures plug and-play installation without requiring manual tuning or without loss of focus over time. The GSC3620 supports motion detection and smart infrared technology for white balance and exposure to monitor activity at night in outdoor or dark enclosed spaces. It can be managed with GSURF Pro Grandstream's free video management software along with other ONVIF compliant video management systems. The GSC3620 pairs with Grandstream's video phones and GSC3570 HD intercom and facility control station for active end-point monitoring and facility control. By adding weatherproof capabilities the GSC3620 is an ideal device for increasing security and facility management in any indoor or outdoor area.