What are the storage conditions of photographic equipment? Humidity? Temperature?

Storage conditions should be ventilated and dry, cool and avoid sweat erosion, avoid using at high temperature above 45℃, keep the camera temperature below -20℃, take out the battery when storing, the flash should be fully charged, and take out the battery to ensure its vitality. Shutters and delay devices should be released to prevent camera fatigue. The specific temperature and humidity can be determined with reference to human comfort.