Kill-a-Watt Electricity Usage Monitor (updated)

SupermediaStore.com offers the Kill-a-Watt Electricity Usage Monitor, model no. P4400, for $25.99 before coupon code "KILLAWATT", $19.49 after. With free shipping, it's a $1 drop and the lowest total price we've seen since July. This electricity usage monitor connects to appliances and assesses efficiency, calculates electricity expenses by the day, week, month, or year, and displays consumption by the kilowatt-hour on an LCD display. Deal ends August 31.

Update: Coupon code "KILLBILL6" drops it to $18.99, ending September 3.