As one of its daily deals, PricePlunge offers the Energizer Industrial 2D LED Flashlight, model no. INL2DE, for $3.99. Coupon code "passfor5percent" cuts it to $3.79. With $1.99 for shipping, that's the lowest total price we could find by $9. It's water resistant to approximately 3 feet, and features ribbed grip, four LEDs, battery life of up to 32 hours, and hanger hook. Deal ends today.