Solar Powered with Battery Backup
Mini Series Temperature and Humidity Sensors equipped with a battery backup require turning on prior to first use. This can be achieved by opening the back cover and sliding the switch to the on position.
Solar Powered Only
Prior to first use. The Mini Series Temperature and Humidity Sensor requires its power reserve charging this can be achieved by placing the sensor in illuminance of at least 200lux for a minimum of 5 minutes.