Newegg offers the Rosewill Electricity Load Meter and Energy Monitor, model no. RHSP-13001, for $18.74. Coupon code "RSWL20" cuts it to $14.99. With free shipping, that's tied with our mention from last spring and the lowest total price we could find by $9. It features a separated display and wall tap design for convenient handheld viewing, 360-joules surge protection, countdown clock for outlet on/off function, and energy consumption readings in watts, cost, and CO2.