Digicode DC5072 310 Mhz 2 Button Keychain Remote Features Stanley compatible 2 button remote control transmitter. Compatible with ALL STANLEY Transmitters (except Securecode) models: 1038, 1040, 1044, 1047, 1049, 1050, 1076, 1079, 1100, 24911, 51-4271, 51-4272, 51-4273, 51-4369, 51-4726 Remote has 2 sets of 10 dip switches, one for each door or gate, allowing for 2 sets of 1024 possible code combinations. Designed to be fully compatible with all of the Digi-Code receivers as well as existing Stanley 310Mhz receivers, simply set the dip switches to match your receivers. Includes heavy duty Eveready 9 Volt battery and built-in LED light to indicate battery strength. Dimensions are 2 5/8"" x 1 3/4"" x 1/2"" Full manufacturer warranty, Made in the USA Coding instructions included