Energizer Energy E2415 Manual page 18

Do not expose your device to direct sunlight, like on your car's
dashboard, for example.
In case of overheating do not use the device.
Be careful when using the device while walking.
Do not subject the device to severe impact or drop it from high
position, it could cause damages or malfunctions.
Do not disassemble, modify or fix the device by yourself.
To clean the device uses a clean and soft rag.
Do not use any chemical product or detergent.