Amazon has the Amiccom 1080p WiFi Outdoor Security Camera (Z5-New) for $39 - 5% off coupon (clip extra savings coupon) - $11 off with coupon JFOKF2DP = $26 with free shipping. Features 2-way audio, IP66 waterproof, night vision, motion detection, activity alert, deterrent alarm.
Has good Amazon Reviews.
Amazon has the TP-LINK KC120 Kasa Cam Plus Smart Home Security Camera for $40 with free shipping. Has good Amazon Reviews.