NICE EPMB Bluebus Photocells Technical Specifications: Viewing angle: 10 degrees; Range: 30 meters (depending on conditions); Durable polycarbonate housing; Quick and easy installation using a 2-wire cable; Photocells from the ERA family, for outdoor installation, combine excellent technical parameters with exquisite design. The devices have an operating range of up to 30 meters. Thanks to the polycarbonate housing, they are extremely durable and safe, and their modern, aesthetic appearance fits perfectly into modern architecture. Additionally, this model is equipped with modern BlueBus technology, thanks to which connection to the control unit is made using a 2-wire cable, significantly simplifying installation and significantly reducing installation time. When installing a second line of photocells inside the property, which significantly improves the safety of swing gate operation, aesthetic aluminum columns with a height of 50 cm or 100 cm can be used.