Vodool via Amazon offers its Vodool 720p 11.8-Foot Wireless Semi-Rigid Borescope Inspection Camera for $26.99. Coupon code "U3EU2YKC" cuts that to $20.24. With free shipping, that's $4 under our July mention, $7 off, and the lowest price we've ever seen. It features IP67 water resistance, an LED flashlight with adjustable brightness, and magnet, hook, and mirror attachments. Deal ends August 20.