Using Passive Radio Frequency Technology Grayhatch have invented and patented an amazing money and environment saving device.

Simply pop the digitally controlled device into your refrigerator, plug your power plug into our plugin detector and your fridge will start saving you money EVERY day of the week, EVERY day of the year.

Our technology is DIGITAL, your fridge is most likely using bimetal (over 1 hundred year old) technology.

This is for sale or is in need of seed investment.  If you are interested please This e-mail address is being protected from spam bots, you need JavaScript enabled to view it .  We are keen to either sell our patents outright or negotiate licensing.

Passive RF Digital Thermostat