Find the image of your flood sensor below to view instructions on how to complete your battery replacement.
2GIG-FT1-345 Water / Temperature Sensor:
Insert a coin or flathead screwdriver into the tab to open the cover, then remove and replace CR2 3-Volt Lithium battery.
2GIG-FT6-345 Water Leak Sensor:
Twist the sensor counter-clockwise to remove it from the base, then remove and replace CR123A 3-Volt lithium battery.