Table 1.

Showing distribution of energy level of sensor node.

Level of Energy	Voltage Level of Sensors
Very High	3.3 to 3.7 V
High	3.0 to 3.3 V
High Moderate	2.7 to 3.0 V
Moderate	2.4 to 2.7 V
Low	2.1 to 2.4 V
Lowest	<2.0 V