The best time to monitor your home electricity usage of electric devices is the outdoor time.You can learn which device is still consuming electricity and how much it consumed without staying at home with the help of Home energy efficiency power meter.You can manage your electricity efficiently in this way by shutting down the devices because most of them cost lots of energy even under the status of standby .You can know exact energy consumption for a single device by reading the power meter for both on and off of the device .Stop switching on this large electricity usage device while not necessary.It is easy to operate and monitor at home ,having a rest or taking a walk.