Ends 1/14. Amazon has the KTeco 720p Security Camera System w/ 4 Cameras for $110 - $41 off with coupon 7PVNADYX = $69 with free shipping. Features four 720p cameras, motion detection, and night vision up to 66 feet.
Amazon has the YI 2.7" Screen Full HD 1080p 130-Degree Wide AngleDashboard Camera with G-Sensor, WDR, Night Vision and Loop Recording (Black) for $40 - $15 off coupon (clip coupon) = $25 with free shipping. Has average Amazon Reviews.
Ends 1/31. Amazon has the Uniojo 1080p Indoor Wireless Smart Security Camera for $33 - $17 off with coupon QO8TPLAK = $16 with free shipping. Features 1080p video resolution at 30 fps, 120° viewing angle, infrared night vision & motion detection, 2-way audio, Amazon Echo & Echo Dot compatible, microSD card slot (up to 64GB).
Amazon has the Mevo 720p Live Event iOS Device Camera, White or Black (MV1-01A-BL) for $199 with free shipping. Features a Sony 4K sensor, and supports live streaming via WiFi or LTE.