Long Range Polarity Reversing R.F. Remote Control transmitter & receiver are designed for bi-directional control of DC motors. The output relays are rated at 30A @24VDC. This system is ideal for controlling lifts, jacks, winches, awnings and agricultural applications where 24 VDC polarity reversing DC motors are used. The keyfob transmitter has two buttons. The left button runs the motor in one direction and right button runs the motor in the opposite direction. The unit can be programmed for either momentary or maintained operation. There are also three lead wires that allow for an auxiliary On-Off-On switch to be connected. This permits operation of the control without using a transmitter. The receiver electronics are encapsulated for waterproofing and it is suitable for use in harsh environments. Operating temperature range - 0o F to 160o F. The robust ABS enclosure dimensions are approximately 3" L x 3" W x 1.5" H. The long range antenna is housed in a separate housing and connects to the receiver with an 8 foot cable. The receiver has two mounting tabs. There are four 1/4" terminals for the connections. Transmit range is greater than 500 feet under normal operating conditions and can go as far as 900 feet under ideal conditions. FCC Approved. Proudly made in the U.S.A.