Check the listing for details. Skylink Wireless Security Keypad Transmitter (KP-434). Color: N/A, Condition: New. Listed at 38.16 USD. Designed for external control of your home security system, the Skylink Wireless Security Keypad Transmitter wirelessly operates Skylink devices when the correct code is entered.Stores up to four passwordsPanic button activates your alarmBack-lit keypad with beep tone when keys are pressedEasily mounted without running any wiresRange up to 100 feetContentsTransmitterBatteries NOTE: The Skylink Wireless Keypad can also be used with the Skylink Otodor Automatic Swing Door Opener, allowing you to open the door with a passcode if you forget your keys.Technical DetailsManufacturer Part #: KP-434UPC: 623459401275Power source: Two 3V lithium batteries (included)Operating range: 100 feetCompatible Skylink devices: SC-001, AA-433, AD-433S, AM-001, ML-001, DM-50, DM-100 and DM-150