Pls note:Whether included Hard Disk Depend on Which one you choose. Wireless means wireless Internet connection, but also need to be plugged in the power supply/outlet for 24/7 recording. This system is NOT battery operated. Our SmartSF NVR wireless security camera system can help you ensure the safety of everything and all your loved ones. Equipped with night vision and sports alarm. Note: A wireless system does not mean that you can use the system without any cables. Still need to connect the power cord of the camera and the NVR. Easy Remote Access Anywhere Anytime. The simplest wireless security system for easy remote access anytime, anywhere. Connect the NVR recorder and bullet camera with the provided power supply. (12V / 2A power supply for NVR, 12V / 1A power supply for bullet camera). Connect the PC/TV monitor to the NVR with a VGA/HDMI cable. Connect the USB mouse to the NVR. The stable streaming video will be displayed on the monitor. If you want to perform remote control on a smart device. You need to connect the network between the NVR and the router. The IP camera is dustproof and waterproof, and the metal casing can extend the service life. It can be used normally in any weather. The operating temperature range of IP cameras is -4°F to 122°F (-20°C to 50°C). Install the camera outdoors or indoors to ensure home or business safety. You can appropriately customize the motion detection sensitivity, time and area (focus on important areas such as doors or windows) to reduce false triggers, such as wind-blown plants and frequent lighting changes. Day and Night Surveillance Camera. IP66 weather-resistant metal home camera with 3.6mm LED light, IR-CUT function, 75° viewing angle, 65 feet night vision range. In low light conditions, the camera’s infrared mode will automatically activate. Even at night, it can clearly monitor everything. Easy Remote Access on Smart Device. Most importantly, you will be able to understand and understand what is happening at any time. Use the included network cable to connect the router to the NVR LAN port. The application allows you to group multiple systems to view up to 4 cameras at the same time anytime, anywhere. An 8-channel expandable system with 4 IP cameras. You can add 4 more IP cameras as needed. 1 x 8-channel NVR. 4 x 720P camera. 1 x power supply for NVR. 4 x power supply for camera. 4 x antenna for camera. 4 x Screw bag. 1 x USB Mouse / User Manual / 3.3FT Network Cable. 1Note (UNIQUE FEATURE): Inbuilt Wireless Extension: To tackle weak signals, each camera can act as a relay antenna. A camera with a strong signal can serve as a wireless repeater for cameras with poor signal. NVR is equipped with inbuilt utility that can configure the cameras in this manner; quite handy for bypassing obstacles & also to indirectly extend the NVR’s wireless range. 2Power: NVR: DC 12V/2A, Each camera: DC 12V/1A. 3 Network: Note: The NVR creates a separate wireless network for transmission between it and the various cameras. It does not need and cannot use your network router’s Wi-Fi to communicate with its cameras. 4 Other NVR Specifications: Storage: Not included. Supported HDD specifications: SATA, 500GB to 2TB (2.5 laptop-class HDD recommended to avoid excessive power draw) -4 digital channels -Supports up to 1080p wireless IP camera resolution -VGA & HDMI outputs (no audio output from HDMI) -Live display of all 4 camera feeds simultaneously -Can be controlled via USB Mouse input -RJ45 Ethernet slot for internet connectivity (optional) & initial pairing of camera whenever necessary -USB slot for USB mouse input & backup of recorded footage to external storage (Note: recording via USB is not supported). 5 Other Camera Specifications: Enclosure protection: IP66, dust tight & protected against powerful jets of water -Wireless transmission range: 300 meters (without obstacles) -Image Resolution: 1.3MP, 720p -Lens: 3.6mm -IR Night Vision 65ft/20m -RJ45 Ethernet slot for initial pairing with NVR whenever necessary. 1x 8-channel NVR 4x 720P camera 1x power supply for NVR 4x power supply for camera 4x antenna for camera 4 x Screw bag 1 x USB Mouse / User Manual / 3.3FT Network Cable.