The two AA alkaline batteries supplied with the WRZ-STR0000-2 Series Transmitter have a life of 5 to 10 years or more, depending on the model and application. The transmitter reports a low battery condition to the receiver or controller, which relays the low battery condition to the system. The low battery condition is also shown on the LCD on the face of the transmitter.
Replace the transmitter batteries with two high-quality AA alkaline batteries as necessary. Ensure to install the batteries in the correct polarity.