Battery Installation - Steren RM-150 Instruction Manual

Open the battery cover, put in two new AA alkaline batteries (not included)
according to the "+/-"symbol inside the battery pack as shown in the figure.
Do not use old and new batteries or batteries of different models at the
same time.
In the event of battery leakage, take out the batteries, wipe the battery
compartment clean, and exchange new batteries.
If this remote control is intended to be not in use for a long time, please
remove the batteries.

Battery Installation

Cautions on Battery Use
5