New Style Heddolf P219-1KB By Keystone 1-Button Key Chain Trinary (+ 0 -) Position Code Switch Gate, Garage Door Opener Remote Compatible With Allstar, Allister, Pulsar, GTO, Mighty Mule Gate And Garage Door Openers On 318MHz AKA Heddolf P219-1K. Product Specifications: Power: One 12V A23 battery (included) Frequency: 318MHz Codes: 19,638 set by 9 three position (+, 0, -) code switches Dimensions: 2.25 x 1.5 x 0.56 inches.
