Do not place the RuuviTag sensor in an environment where operating temperature limits (-20°C to +65°C) might be exceeded. This can damage the battery and electronics.
RuuviTags use lithium coin cell batteries as their power source. Don’t let children, infants or pets play with RuuviTag sensors. Seek immediate medical attention if you suspect that any person or animal has ingested a coin cell battery.
Do not place a RuuviTag in direct contact with water!
Do not apply vibration or shocks to the device.