Overview 1. This wireless security NVR system is very suitable for your home and small business. It will help you recording, playback and remote. 2. Easy to setup, no need wires anymore, no exposed lines anymore, more beautiful, more hidden, more safely. 3. Built-in security dedicated wireless wife module with stable signal and strong anti-interference, support long transmission distance, open areas up to 350m, can through 1 to 4 walls in actual measurement. 4. Support multi alarm triggered(video-losing, motion detection) and alarm alert(sound, email, FTP etc.) NVR Specification: 1. 4channel 1080p wireless Network video recorder 2. Built-in Wi-Fi Module with high-performance and high stability 3. Automatically connection between NVR and IPC 4. Support video previewithrecording/playback/USB backup 5. Support the mixed use of wireless and wire, support difference scene 6. Support Android/IOS/PC Remote view 7. Get Instant email alerts if motion detected 8. Support 1 SATA port, up to 4TB each, 2 USB2. 0 port for operation of mouse control, back up, upgrade IP Camera Specification Image Sensor: 1. 0 Megapixel 1/4″ Progressive Scan Sensor Resolution: HDMI, 1280*720 Lens: 3. 6mm IR LEDs Amount: 3*Array LEDs with IR-CUT function Night Vision: 100ft(30m) Weatherproof: IP66 Package Includes 1 PCS * 4CH 1080P Wi-Fi NVR 4 PCS * 720P Wi-Fi IP cameras 4 PCS * Adaptor for IP camera 1 PCS * Adaptor for NVR 1 PCS * IR Mouse 1 PCS * 1TB Hard Drive please noted This system does not come with hard drive. Assembling a 3. 5 inch SATA 500GB to 2TB hard drive is necessary.