IP66 Weatherproof Battery Powered & Easy Setup: IP66 waterproof cameras offer 2K clear image quality. No monthly fee in HDD.The wireless video security system is easy-to-set-up. They're pre-paired with NVR in manufacturing. You can connect PC/TV monitor to NVR by a VGA/HDMI cable. Cameras and NVR are paired before shipping. It's a user-friendly plug-and-play monitor system. AI Human Detection & Safety Guarante: the Hiseeu Security Camera is adoptted with advanced AI human detection technology. It distinguishes humans from animals or objects,which can prevent false alarms. When any intruder enters the monitoring range, the alert and ring will be triggered in your screen, Guarantee your family's and property in safety. If it has entered the night and the light around the camera is dim, the light sensor will activate the floodlight. Long Stand-by Duration & 4MP 160°wide Angle: 2 rechargeable 9000mAh solar batteries are large enough for supporting a long time camera work a few months(when triggered within 10 times/day). Wireless Connection and Invisible small size is easy to install it on outside or indoor for monitoring any unfriendly intruders and animals. The camera provide 4MP (HD 2560*1440P) clear images and 160°wide angle view. Preinstalled 1TB HDD Storage& 24/7 recording: System preinstalled with 1TB HDD, the camera will store the motion detection record in real time, not support 24/7 days continuous recording. Connect with network, allow to check those record on phone app "Eseecloud" or Computer software"Eseecloud". Two Way Audio & 10 Channel System: This camera systemsupport maximum 10 cameras as a whole . Two-way audio system enable you to speak dual sides whether infront of the cameras or over your phone APP no matter how far you're away from the cameras. it comes with 4Pcs 4MP IP66 waterproof cameras. 100% Wire-Free Weatherproof Battery Powered Cameras