The SKE-34 is a heavy duty, self-contained Access Control Keypad with features suitable for most residential, small commercial and harsh industrial access control applications. With a 2A relay on board, simply add power (5VDC or 12 to 24VDC) and the SKE-34 is ready to provide dependable access control. Rugged Stainless Steel construction and proprietary Piezoelectric Billion Cycle Switch Technology™ ensures superior performance in any environment (heat, rain, snow, ice -up to ?"). The SKE-34 is backed by a limited lifetime warranty.