Check the listing for details. Digi-Code 1 Button Keychain Transmitter 300mhz - Multicode Compatible DC5040. Condition: New. Listed at 18.90 USD. Digi-Code 1 Button Keychain Transmitter 300mhz - Multicode Compatible DC5040 Digi-Code 1 Button Keychain Transmitter 300mhz - Multicode Compatible DC5040 Multicode compatible 1-channel remote control transmitter. Digital format with 10 dip switches. This convenient transmitter allows control of garage door openers or gate operators. This is ideal for community gates with individual garages. Designed to be fully compatible with all of our receivers as well as existing Linear 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 Battery and coding instructions included Shipping We ship only to Continental United States. We do not ship to Alaska, Hawaii or Puerto Rico. Return Policy 30 days