Linear Stanley Compatible Keypad Transmitter (298601)

Compatible with 310 MHz Stanley and Multi-Code receivers Easy access to battery; Power: 9-volt battery Codes: 1,024 (set by dip switches) RF frequency: 310 MHz Dimensions: 2.75" W x 6.25" H x 1" DYou may also like LINEAR Garage Door Openers MDR/U MegaCode Plug in Receiver, Linear MDR/U By Brand LINEAR.