Newegg offers the Rosewill Electricity Load Meter and Energy Monitor, model no. RHSP-13001, for $19.99. Coupon code "EMCEKEN64" cuts it to $14.99. With free shipping, that's tied with our March mention and the lowest total price we've seen. (It's the best deal now by $4.) It features a separated display and wall tap design for convenient handheld viewing, 360-joule surge protection, countdown clock for outlet on/off function, and energy consumption readings in watts, cost, and CO2.