KR310 is an external wiegand reader for ZKTeco access control standalone devices and control panels. With a robust design, it is easy to connect and install, and oer the possibility to control one door from both sides. The LED lights indicate allowed or denied access. It has a proximity reading range of up to 10cm (125KHz). KR310 is waterproof, and the operating temperatures can range from -10º to +70º, it is the ideal solution for outdoor installation.