TD200 Cellular LTE - Cat - M1 4&'; Tall or Less - Works with All Non-Pressurized FluidsWith Mopeka, you can monitor your tank levels from your smartphone, tablet, or computer using the freely downloadable Co-Pilot App or via www.mopeka.cloud. Mopeka sensors work on 20lb cylinders to >90,000 gallon bulk storage tanks.Specifications: Sensor: TD200 Commodity: Non-Pressurized Liquids Mounting Location: Tank Top UL, UCL, ATEX Certifications: Class 1, Division 1, Group D Class 1, Zone 1, Group IIA Tank Type: Any Tank Orientation: Any Tank Size: Depths up to 4&'; Operating Temperature Range: -50Adeg TO 60AdegC -55Adeg TO 140AdegF Default Communications: Global SIM 4G LTE, CAT M1, NB-IoT, Boosted Bluetooth Battery Life: 4-6 years, replaceable Battery Type/Hard-Wired: Energizer Lithium AA Warranty: 3 years