【Audio recording and 3.5mm audio port】: The IP67 waterproof camera has a microphone, and you can hear the sound of the monitoring scene while watching the picture. The NVR has a 3.5mm audio port, and you can play the sound of the video live by inserting the speaker. The sound is recorded with the picture without missing any information. | 【plug&play and H265+ compression】: Connect the camera and the nvr to the power supply respectively, and the devices will automatically pair. Use a VGA or HDMI data cable to connect the monitor to the nvr to watch the video. The video encoding standard is h265, which effectively controls the video stream and reduces the video bit rate. Compared with h264, it can bring a smoother viewing experience and save more than half of the hard disk space. | 【Motion Detection Alarm and Email Alert】: The motion detection function of the wireless surveillance camera system uses intelligent algorithms to minimize false alarms. Remind you only when it matters. When motion is detected, the smart notification of the snapshot alert will be pushed to your smartphone via email or iPhone / Android app. You can customize inspection plans and areas for each camera to avoid receiving unnecessary alert messages | 【Remote Access and video share】 : Connect the NVR to your home router via an Ethernet cable, then download the free application "Eseecloud" to your mobile device. You can remotely access your video recorder on your smartphone, Pad and PC. No matter where you are, you will not miss important moments. At the same time, you can use this software to share the monitoring screen to friends and relatives who have also installed this software. Support for multiple people | 【Superior quality and service】 : With an experienced design team and excellent manufacturing process, the camera system has durable quality. We have a strong technical support team to solve your doubts during use. If you have any questions, please feel free to contact us.( Email:[email protected] ; skype: [email protected]),Resend the free part for broken, No need return in 1 year, Lifetime Tech support