The TASC Systems access keypad 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 keypad 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 3/8″).