How much rain water is in your tank?
Ultrasonic Tank Level Monitor

	A safe and easy to install "wireless" tank level monitor. Displays your tank level on an LCD screen. Just plug this 2" x 2" receiver into a standard 110v outlet. It works best with a direct line of site and within 150 feet of the sending unit.
	Drill a one inch hole in your tank and using the two supplied screws, secure the tank sending unit in place. Long life lithium battery transmits on FM signal to the receiver. NOT for use with a pressurized tank or tanks deeper than 10 feet. Sending unit stands 5" tall and is about 1.5" in diameter. The units in stock are a dark forest green.