Here is a smart floodlight and security camera that can detect motion and activate to ward off intruders. The Geeni SENTRY can record video to 128GB Micro SD card. It works with Alexa and Google Assistant. You can control it from anywhere over WiFi.
The Geeni SENTRY camera has night vision, so you can see clearly in the dark. It also has a 100dB alarm and connects to 90-240V wiring. Costs under $120 at this time.