Ends 8/31. Amazon has the Niyps M-One 1080p Mini Hidden Spy Camera for $37 - $15 off with coupon KVKPOT62 = $22 with free shipping. Features 1920x1080 (1080p) video recording, night vision & motion detection
microSD card slot, up to 50 minutes of recording time per charge, magnetic back, bracket mount, & camera clip.
Amazon has the R-Tech Infrared LED Outdoor Security Camera (Black, RVD70B) for $21 - $3 off coupon (Clip Coupon) = $18 with free shipping for Prime members or $25+. Features 1000 TVL resolution with 1/3" CMOS sensor for superior image quality, 2.8-12mm varifocal lens for a wide adjustable range of viewing area angle.