【Works with HM241/HM243/HM241A/K22】:IP CAMERA ONLY, need to use together with wireless security camera system. This camera cannot work separately. If you don't have the NVR KIT, you have to order one. 【Adding Wireless Pairings】:Power on the NVR and camera, connect them by the Ethernet cable, Right Click the mouse on the system screen-Video Manage-Refresh-Match Code. Unplug the Ethernet cable when the video is on. 【Adding Wired Connection】:Use Ethernet cable to connect camera and router, then click the Video Manage interface of NVR to complete the wired connection. 【IP66 Waterproof Level】:Records in 1080P HD to capture crisp images, provide HD live video, ensures smooth footage day and night with 2MP bullet cameras. Up to 65ft Night Vision. The IP cameras are rated as dust-tight and waterproof. 【Robust Quality and Service】:Security camera system boasts a durable and long lasting design. We always stand by your side to help you If you have any questions, please feel free to contact us.