Today only, until 1 pm ET, Amazon offers the Contech Scarecrow Motion-Activated Sprinkler
, model no. CRO101, for $39.99
with free shipping
. That's the lowest total price we could find by $10, although we saw it for $3 less last December. The Scarecrow is billed as a humane solution to unwanted intruders such as dogs, cats, and rabbits. It features a 1,000-square-foot detection area, 9-volt battery, and more.