Description of Power Supply for ADT Command Wireless Alpha Keypad:

The Power Supply for the ADT Command Wireless Alpha Keypad originally comes with the purchase of your keypad, however, this is also available for purchase by itself. This transformer works as a power supply for the Alpha Keypad providing it the necessary power to function.  Furthermore, it has two prongs as well as steps down the 132VAC in most home outlets to only 9VDC. Furthermore, it also features 0.5 Amps while featuring a white plastic body. The terminals marked as + and – require matching up with the Wireless Alpha Keypad power terminals.

Note:

Only compatible with the ADT Command Security Panel. Not compatible with the Safewatch Pro, ADT Quickconnect, ADT DSC Impassa, or any other ADT security panel.