Meet the WiTenergy: a smart energy meter that pairs with your smartphone to provide you with energy consumption data in real-time. It measures voltage, current, wattage, frequency, and power. The device also has a programmable timer and lets you control and monitor energy usage of any appliance from your iOS/Android device.
WiTenergy - Save the Earth by iPhone
The WiTenergy E100S is easy to use and simply helps you figure out ways to save energy. Just bring your smartphone, and you are ready to roll.
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