Power Supply
- Use screwdriver to remove the back cover of both the master and node devices.

- Remove the battery insulation sheet from each device.

- Press and hold the power button for 3 seconds to turn on the devices.
Note:
- The device can only be powered by ER14505 Li-SOCl2 batteries and does not support the use of alkaline batteries.
- If the device is not used for a long period of time, please remove the batteries, otherwise it may cause battery leakage and damage to the internal components.
- When replacing batteries, ensure all batteries are newest; otherwise, it may shorten battery life or cause inaccurate power calculations.