The Linear single button Garage Door & gate remote opener DNT00002A EF4 is a black, battery-operated remote designed forLinear brand products. It includes one button for easy operation, a lead-acid battery with a 1-month manufacturer warranty, and is compatible with the EF4 DNT00002A model. Made of plastic and manufactured in China, this remote operates at a frequency of 310 MHz and comes with batteries included. Ideal for convenience and security, this remote is a reliable choice for controlling your garage door or gate.