This gate remote control HEDDOLF P220-318 has a frequency of 318MHz and has 1 button(s). It comes with an instruction and batteries. The Programmation of the remote is easy and doesnt require any special equipment. This remote contains 9 dip switches with 3 positions (trinary) and has a 318 MHz frequency. Replaces Allister and Pulsar brand units. Compatible with Allstar model 931-318R. Small size model