Watt Meter, Cost Calculator, Plug-in Electricity Usage Monitor

Monitor Energy Use & Save Money – Automatically calculates electricity costs with customizable utility rates (0-99.99/kWh); tracks voltage, current, wattage, frequency, and cumulative energy usage, helping identify power-hungry appliances and reduce electricity bills
Large Backlit LCD Display – Bright backlit screen with a wide viewing angle makes energy data easy to read day or night, perfect for basements, garages, utility rooms, and other low-light areas
90-Day Battery Backup Memory & Overload Protection – Built-in battery backup preserves your settings and accumulated data during power outages for up to 90 days, while overload protection and a flame-retardant housing provide added safety for household appliances