Check the listing for details. 4 For Linear Multi-Code 4120 Gate Garage 1-Button Remote MCS412001 300mhz 308911. Color: Black, Condition: New. Listed at 19.99 USD. Description These remotes are very small (2" x 1-1/2" x 1/2") key-chain style remote operating at 300 MHz. It achieves its small size by using state-of-the-art components. It has been designed for use with MultiCode 10 dip-switch receivers. COMPATIBLE REMOTES Multi-Code: 1089, 3060, 3060-01, 3070-01, 3083, 3083-01, 3089, 3089-11, 4120, 4120-01, 4140 & 4140-01, Linear: MCS308911, MCS412001, MCS414001, MCS306001, MCS307001, MCS308301, and MCS420001 Digi Code: 5010, 5030, 5040, 5060, and 5070 Eagle: EG 140, EG 144, EG 148 AND EG 152 TECHNICAL SPECIFICATIONS Operating Frequency- 300 MHz Number of Buttons- 2 Buttons Battery- 12V 23A(Included) Keychain Included Operating Range- 130ft Overall Dimensions- 2" x 1-1/2" x 1/2" Weight- 1 oz. OPERATION Once the codes are set to match the transmitter codes, you may test the system. Ensure the gate or door is visible and clear before testing. Step 1- Push the Remote's button from a distance of about ten feet. If the receiver activates, the switches are properly set. Step 2- Test the transmitter from several locations to discover any "blind spots" caused by interference.