Amazon has the Wyze Cam v3 Security Camera + Spotlight Kit for for $35 with free shipping. List price: $53. The light turns on automatically when motion is detected. The Wyze Cam v3 records video when motion & sound are detected and sends an alert to your phone. Compatible with Alexa and Google Assistant. #1 Best Seller in Camera & Photo Products.

Has excellent Amazon Reviews.

eBay has the j5create JVCU100 USB Full HD 1080p Webcam for $40 with free shipping. Designed for conference calls with live video and audio. Features up to 1080p video at 30 fps, 2.0MP 1/2.9 F23 sensor, supports H.264 and MJPEG image formats, auto electronic shutter, built-in microphone, plug-and-play USB connectivity.

Has excellent Amazon Reviews.

Amazon has the FLIR One Pro Thermal Camera for Smartphones (iOS) for $306 with free shipping. Features lets you find hidden electrical problems, energy loss, water damage, and other heat related issues, adjustable connector extends by up to 4mm.