Staples offers the Mr. Beams Wireless LED Motion Sensor Spotlight 3-Pack in Black, model no. MB363, or White, model no. MB333, for $34.99. Plus, Staples Rewards members get free shipping. (Not a member? It's free to sign up.) That's $3 below our mention from three weeks ago and the lowest total price we could find by $15. They feature a waterproof design, 140 lumens brightness, and up to 350-square-feet of coverage. Nine D batteries are required, but not included.