Entry Transmitter Product Type Transmitter Includes (2) AA Lithium Batteries Interface Board Mounting Bracket Hardware Receiver Transmitter For Use With Gate Operators Operating Voltage 6.8V DC Overall Length 9 1/2 in Overall Height 3 1/2 in Overall Width 9 1/2 in Material Plastic Color Black/Burgundy Standards UL Listed Compatible with Grainger Part Number 45TR70 45TR81