OXA Home via Amazon offers the DBPower Semi Rigid USB 2.0 Borescope for $18.70. Coupon code "Z6ZKIGON" cuts it to $9.91. With free shipping for Prime members, that's $2 under our mention from three weeks ago and the lowest price we could find by $16. It features a 16-foot cable, waterproof camera with up to 600x1200 resolution, and LED light.