Leviton offers a variety of wireless products for security and automation functions. The 58A00-1 mini door/window transmitter is a miniature supervised wireless transmitter that comes with a case tamper switch, wall tamper switch and a replaceable lithium battery. Two hard wire inputs in addition to built-in reed switch. The 58A00-1 is a single zone miniature version of the 46A00-1 three zone door/window transmitter. Requires a Leviton security automation 64 zone wireless receiver. Uses CR2450N lithium ion battery included. Leviton wireless products use 433 Hz frequency and require a Leviton automation system.