ZOSI 2 Pack 1080P HD-TVI Security Camera System - 2.0MP Indoor/Outdoor Bullet & Dome Cameras with Audio Recording, 80ft/120ft IR Night Vision, Waterproof.

2MP 1080P Bullet Camera with Microphone--With built-in microphone in the camera It can support a one-way audio, you can hear the other party talking, but not the conversation.And you need to make sure your DVR support Audio input.
Compatibility --This is HD-TVI Security Camera,It only Compatible with HD-TVI Analog DVR Systems,if you want Audio Recording,please make sure you DVRs support Audio input.But It work well with ZOSI DVR (Model:ZR08VN00,ZR08VN10, ZR08VN20)
120ft Night Vision--Built in 36pcs IR LEDs, Get a sharp and crisp image day or night with the camera's automatic IR-CUT filter. Up to 120ft night vision in total darkness and 160ft Night vision in ambient light. More than 3.0Lux the night vision is color.
1080P HD-TVI Dome security cameraThis 1080P HD-TVI Dome camera Compatible with 1080P,5MP,4K,HD-TVI analog DVRs. It is recommended to work with ZOSI Analog DVR for perfect compatibility.
80ft Night VisionIt can get a sharp and crisp image day or night with the camera's automatic IR-CUT filter. Up to 80ft night vision in total darkness and 130ft Night vision in ambient light. You can see clearly even at midnight.