Meritline offers the Dorcy 4-LED Waterproof Floating Flashlight with Carabiner, model no. 41-2510, for $7.99. Coupon code "MLCP03BN" cuts it to $5.99. With free shipping, that's lowest total price we could find by a buck, although we saw it for $1 less in August. It features 32 lumens of brightness, 100-foot beam of light, and 20 hours of continuous light. It runs on three AA batteries, which are included. Coupon expires after 300 uses.