What's in the box. Tenveo conference room camera, Hub, Remote Controller, 2pcs Expansion Mics, 9.8ft(3m) USB Cable, 2pcs 16.4ft(5m) DIN6 Cable, DC 12V/2.5A power adapter, Manual. 30-Day money back guaranty for No reason. Speakerphone with Noise cancellation technology. 33ft(10m) voice pick up range with 2pcs Expansion Mics. Remarkably rich and crystal-clear voice quality for large conference room (10-25 participants in a room of 40-100 Square meters). PTZ Camera. 3X optical zoom Professional video conferencing Camera for Business Meetings, you’ll feel like you’re face-to-face in the same room. Everyone in the room can be clearly seen in professional high-quality video with full HD 1080p camera. Recommend using Zoom, Microsoft Lync, CISCO WebEx and skype for business as the conferencing software. Important: Make sure your internet upload/download speeds exceed at least 2M bit per second(>256KB/s) and stable enough. Professional and higher quality All-in-One video and audio conferencing system for conference room. The Enterprise-quality videoconferencing system takes anytime, anywhere video collaboration to a new level. Launch video meetings with a plug-and-play USB connection to your laptop.