BuyDig offers the Lutron Caseta Wireless In-Wall Smart Dimmer Switch in White, model no. PD-6WCL-WH, for $52.95. Coupon code “WSMART” cuts that to $43.95. With free shipping, that’s the lowest total price by $9 from other merchants. It works with up to 600 watts of incandescent/halogen bulbs and 150 watts of dimmable LED/dimmable CFL bulbs. No indication how long this promo will run.