Let You Watch Over What You Love from Every Angle, Indoors and Outdoors, Day and Night, Rain or Shine. Keep Your Property Safe and Protected, Keep the Things You Care under the 24/7 Surveillance. Watch over your home in the crystal-clear 1080HD video, and see the visitors from anywhere. With instant motion detection and mobile alerts, You can see what is happening from your smartphone, tablet, and PC. Keep your life saver and prevent bad people to break into your house. Boost your home security with the HeimVision security camera system. Save videos captured by your IP cameras and review them at any time. 24/7 recording and playback record every important moment you spend with your families. Smart security for your home. HeimVison Wired DVR Security Camera System transmits by a wired network. Make your signal is more stable and without interference from external signals. Perfect for monitoring areas like villa, home, office, shop, hotel, warehouse, school, business or elsewhere (outdoor/ indoor). Your NVR/DVR system DOES NOT contain a hard disk drive. Please select a 3.5 inches SATA hard disk drive specialized for 24/7 surveillance. If your HDD capacity is larger than 2TB(up tp 6TB), please replace the power adapter with one capable of providing more amps. The hard disk drive is a consumable. Please select a hard disk drive with brand to ensure good quality, like Western Digital 1TB WD10PURZ, Seagate Skyhawk 1TB ST1000VX005, etc. Please follow the user manual to install your hard disk drive and refer to the section of Troubleshooting Guide to calculate the storage time. Angle of Field: 85°. Night Vision Range: 65ft. Power Input: DC 12V / 2A.