I/O devices Enhanced security with wired sensors for both indoor and outdoor Products within I/O DEVICES AXIS A91 Series 2 Products Intelligent modules for extended functionality AXIS A9210 Network I/O Relay Module I/O module for extended functionality AXIS A9801 Security Relay AXIS A9910 I/O Relay Expansion Module Expand I/Os with increased flexibilty AXIS D3110 Connectivity Hub Secure sensor and audio integration AXIS I/O Indication LED Surveillance in action AXIS T61 Audio and I/O Interface Series 2 Products Seamlessly add audio and I/O to your Axis cameras