matters needing attention

1. Detachable small parts should be placed properly and should not be swallowed by children.

2. If there is interference from radio waves in the operating site, please choose a different site for operation.

3. Do not store in a place close to fire, high temperature, or humidity.

4. When the battery is soaked in water, please wipe it thoroughly with water.

5. After each use, the battery switch must be turned off and the battery removed.