[Compatible Models]: Compatible with 4025 TX02-868-2, 4022 TX02-434-2, TX02-434-2,TX-03-868-4, please do not purchase if your model is not listed. [Attention]: Replacement for garage door opener, not original garage door opener. Please check the original model to be paired before purchase. [Frequency]: 868 MHz, Transmission distance: 50 meters, pairing required for use. 4 buttons to control up to 4 garage door openers. Premium Material: Stainless steel, drop-resistant and scratch-resistant, for a longer service life. The sliding case prevents accidental activation and increases operational safety.