PRO+ Bulk BLE - Long Range for Over 4&'; TallThe PRO+ Sensor combines all the best technology of our ultrasonic sensing for the best sensor performance ever, using long-range Bluetooth communications to monitor tanks from the Mopeka App. Approximately 3x the range of a normal Bluetooth sensor, this sensor is ideal for tanks located a long distance from the house. It can also be used in conjunction with a MopekaIoT Wifi Bridge to monitor tanks when outside of Bluetooth range.Features: Mopeka PRO+ Bulk Long Range Bluetooth Sensor For Storage Tanks Magnetically Attaches To Tank LP Gas Tank Monitor For Bulk tanks Battery Powered