L-Fine via Amazon offers its L-Fine 16.4-Foot WiFi LED USB Endoscope for $38.99. Coupon code "FUNL5UFD" cuts that to $31.99. With free shipping, that's the lowest price we could find by $17. It features 6 LEDs, 2-megapixel camera, and compatibility with WiFi View for iOS or Android. Deal ends July 18.