4K Analog Ultra HD Lorex DVR: 1TB Preinstalled HDD, 8 Channel, Maximum capacity 8TB. Capable of recording up to 4K (8MP) Ultra HD Resolution on all cameras. Digitally zoom in on distant objects for better clarity. Smart Motion Detection: Reduce unnecessary alerts and false alarms with Smart Motion Detection. Receive notifications when a person, vehicle or a person's face is detected on your property from the Lorex Home app. Use Smart Search to filter motion events for reviewing footage quickly and easily. A panic button is located on the recorder to activate deterrence features on compatible cameras. Smart Home: Quickly access your live footage with simple voice commands (compatible Alexa and Google). Control your Deterrence cameras features with your voice (compatible with Google Assistant only). View live or recorded video directly on your smartphone or TV with smart home compatibility (Compatible with Apple TV and Chromecast). Includes: Includes DVR, HDMI cable, power adapter, ethernet cable, usb mouse, and manual. Compatibility: Works with C241XC-E, C831CD, LW2287/2297/4211B, C241DA-E, C581CB/CD, C841CA, C861CF/CH/MB/XC-E, C881DA, C882DA, LAB243, LBV1511/1521B/2521/2531/2561U/2711(S)/2723, LBV4711/8531B/8541XB/8721AB, LEV2750AB/4712/8532B, LZV2722/2925, C881DAB, C883DA, and AY41TR. This pre-owned or refurbished product has been professionally inspected and tested to work and look like new. How a product becomes part of Amazon Renewed, your destination for pre-owned, refurbished products: A customer buys a new product and returns it or trades it in for a newer or different model. That product is inspected and tested to work and look like new by Amazon-qualified suppliers. Then, the product is sold as an Amazon Renewed product on Amazon. If not satisfied with the purchase, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee.