Indoor Keypad, Cast Aluminum, Stainless Steel Finish, For Use With Access Control Applications, Siren Style Continuous, 0 dB Decibels, Voltage 12 to 24V AC/12 to 24V DC, 2 A Amps, Number of Wires 5, Test Range 50 ft, Height 4 1/2 in, Width 2 3/4 in, Depth 1 5/16 in