REQUIRES A COMPATIBLE RECORDER: This USB microphone is compatible with Night Owl’s FTD2, FTD4 and FTD8 series DVRs (Digital Video Recorders). EASY SETUP: Quickly connect the microphone to a compatible Night Owl recorder using the provided USB cable. CONVENIENT AUDIO ACCESS: Enjoy local 2-way audio by connecting the microphone to a TV/monitor that has a speaker. No app needed. PUSH TO TALK: Choose a camera and push the talk button to begin speaking. DIY (DO-IT-YOURSELF) INSTALL: No need to call an installer. " Introducing the latest innovation in indoor audio surveillance: the USB Connected Indoor Microphone from Night Owl. Seamlessly set up and connect this microphone to your compatible recorder with ease, ensuring swift and hassle-free installation. With its advanced 2-way audio capability, now you can communicate through your TV or monitor effortlessly. Simply push to begin talking, facilitating convenient and instant communication. Elevate your security setup with the USB Connected Indoor Microphone from Night Owl, designed to work with Night Owl recorders for unparalleled performance and peace of mind. What's Included: USC Connected Microphone: 1 x USB Connected Indoor Microphone 2 x USB Cable"