This P4480 Will Arrive In The Factory Box and Packaging With Owner's Manual. The screen does not display all of the characters and it is impossible to read. Controls and measures power consumption of up to 15AMP loads. This is the P3 International Full Featured Kill-A-Watt  Combination Watt Meter, Voltage Meter Electrical Monitor & LCD Graphic Timer With Battery Backup For Keeping Your Timer Settings During A Power Outage.



From P3 International:
Kill A Watt GT

Electricity Usage Monitor & Automatic Timer

Now you can control your valuable electronics and find out what they are actually costing you. Simply connect your appliance to the Kill A Watt® GT and it will track electricity consumption and display it in Kilowatt Hours. You can then program ON/OFF periods to save electricity and money. Using our patent pending Save A Watt™ technology, the Kill A Watt® GT combines the advantages of traditional mechanical and electronic timers. It is easy to program the quarter-hour ON/OFF periods for 7 days and 24 hours as you would program a mechanical timer.

With the Kill A Watt® GT, you are not limited – the unit allows unique programs for each of the 7 days of the week. The easy-to-read LCD display allows you to review and adjust your ON/OFF programs easily. Measurements and programming are stored in memory and retained during power outages. A backup battery (3X AAA batteries – not included) allow programming even when the unit is not plugged in.
• Combination multi-event, 7 day/24 hour timer and electric consumption monitor
• Easy to read, backlit LCD display
• Surge, over current, over voltage, and under voltage protection provide clean safe power
• Soft power-up eliminates harmful voltage spikes
• Check the quality of your power by monitoring Voltage, Amperage, KWH and more