* Earthquake: Auto alarm rings while shaking over 5 degrees (up, down, left, right) the alarm will shut off after 20 minutes or manually shut off (the light still works) * Made by aluminum circular arc model * Fire: Device will work as temperature sensor over 50 degree . It will shut down when the temperature lower than 50 degree. * The alarm is mainly used as escape, especially for reminder and try to wake up people who are in heavy sleep * Specification: 1.Rated power-4W/0.6A 2.DC 5V 3. dB/M 110dB 4. Net weight: 0.5kg 5. Dimension: 110x110x110mm