Multi Code 4140 Multi Code four button remote, 300 mhz, 10 switch, visor style remote Features Test/operate LED Neutral case color Molded design to comfortably fit the hand Easy access to battery and dip switch Operates two independent garage doors or an automatic gate and a garage door Operates with all Multi-Code receivers and transmitters Power: long-life 9 V battery Frequency: 300 MHz (310 MHz also available) Codes: 1,024 (set by dip switches) Dimensions: 3.75 x 2.5 x .875 inches