The Shark 100-S is an economical wireless sub-meter that meets 0.02% Accuracy class for revenue certifiable energy and demand meters. It offers multifunction measurement, a bright 3-line LED display, and standard IrDA. This meter also offers communication usually found only in much more expensive systems, including either RJ45 wired or IEEE 802.11 wireless (WiFi) Ethernet. The WiFi option allows the sub-meter to be used in existing infrastructure, reducing both the cost and complexity of energy management projects. The Shark 100-S has EIG’s exclusive V-Switch™ technology, which allows a customer to start with a base meter and add features as they are needed, without removing the meter from installation. Ideal for university, commercial building, shopping mall, industrial sub-metering, military, government facilities, energy efficient OEM, and airport applications, the Shark 100-S can be used with EIG’s E-Billing EXT software to easily generate customer Billing.