Magicfly via Amazon offers the Magicfly Wireless RF Key Finder
, model no. MF038, for $25.99. Coupon code "RKD7ME9M" cuts it to $19.99
. Plus, Prime members receive free shipping
. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $6.33.) That's $7 off and the lowest total price we could find. It features an LED torch and includes four receivers.