Memory card is included in the package, you don't have to spend extra moneyThis wireless video intercom system is a perfect solution for user who wants to replace the existing bulky monofunctional wired intercom doorbell, or do not want to destroy the beauty of the house because of complicated wiring, or do not have any electrician experience. The indoor unit is a resolution of 1280X600 touch screen, supports 2.4G/5G WiFi. All functions are integrated on it for you to control, easily use and smooth like iPad. An user-friendly product for technical beginners. Wire-free video intercom systemSet you free from the complicated installation.No wire is needed to connect the indoor and outdoor device. The indoor monitor can be put everywhere in your house, unlike the wired video door phone that the monitor can only be fixed in one place. Real-time NotificationsWhen the PIR sensor detects motion, it will immediately send you a notification to your cell phone and the indoor monitor, let you know who's coming to your home. You can precisely adjust the detection sensitivity to reduce unnecessary notifications. APPAfter adding the device to the APP and properly connected the electronic lock, you can remote unlock the door via theTuyaSmartAPP when you are upstairs or at the garden, even you are not at home., Manufacturer: HVSYVVSRL