1. Avoid hot and humid locations, and store the product at room temperature. 2. Do not look directly at the LED light from a close distance. 3. Disassembling, reassembling, or modifying the product, subjecting it to strong impacts, or using it near water or open flames may cause malfunction. 4. Be careful not to swallow any parts or put them in your mouth.5. When replacing batteries, be sure to use new alkaline AAA batteries. Using other types of batteries (such as manganese batteries) may cause product damage, burns, or fire. 6. When replacing batteries, replace all three batteries of the same type at the same time.7. When storing the product, remove the batteries to prevent damage caused by battery leakage. 8. Store used batteries out of the reach of infants and young children, or dispose of them at a designated disposal site.9. Be sure to check the battery’s + and – polarity and insert them in the correct orientation. 10. This product may cause radio interference while in use.