xmartO 100% Wire-Free Solar PTZ Home Security Camera System Wireless, 4-Set 2K 4MP QHD CCTV Camera Kit with 4K 10CH Expandable WiFi NVR and Past 90-Day Video Storage (Solar Bullet CAM)

A 100% Wire-free Security Camera - powered by professional long-lasting batteries, the BC3-SP wireless security camera is totally wire-free. You can mount it anywhere indoor & out to monitor you property, without running any cable at all. NOTEif you use this camera with your NVR, make sure to upgrade NVR to 3.1. 6 or later for better performance.
Enough Defense to Secure Your Place - with both spotlight and siren built-in, the camera light up the area and let out siren when people detected. In the meanwhile it sends alerts to your phone. On your phone, you can choose to use only spotlight, only siren, both or none.
2-way Audio & Alert Settings - With two-way audio, you can hear and talk to people on-site in real time. Plus, customizable alerts let you set detection zones, adjust sensitivity, schedule notifications, and turn them off as needed. The daily alert summary gives you a quick overview of all events.
Offline feature - As a standalone new CCTV system, the WiFi camera system use its own WiFi system in the NVR and cameras. Even you don' t have Internet service, the cameras connect and save videos to the NVR' s hard drive. You can view, playback and backup videos on the NVR' s screen without Internet needed.
Cloud Storage & SD Card - The camera supports up to 128GB TF card and encrypted AWS Cloud storage. With the various choice, you can replay and clip videos right from your phone App. (SD card not included
2K 4MP HD Video & Audio - view the camera on your phone, or add it to an xmartO NVR system, the camera delivers clear HD videos with 2-way audio.
PIR Thermal True Detection - With PIR thermal sensors and humanoid detection, the cameras avoid most false alerts and send real-time App/ email alerts to your phone when people, animals or vehicles detected, helping you to take care of your properties and loved ones with ease.