About this item EASY PAIRINGA convenient smart remote that can clone up to 4 remote signals from 4 different remotes, and its 4-button design can control up to to 4 garage doors open at once or system door. EASY BUTTON PROGRAMMINGUnique remote control, the button cover effectively prevents the mistake of accidentally pressing the button. Delete the old code, recover, copy and be compatible with all receivers and linear access controllers that use 433MHz frequency. FIXED FREQUENCY REMOTE CONTROL CLONEThe clone of the convenient keychain size of the universal Remote Attaches to your car key, more redundant, with a keychain for easy portability. It can be used as a 4-channel wireless remote control duplicator for cars, garage doors, gates, alarm systems, etc. NOTEOnly applicable to 433 MHz (433 .92MHz). As long as you meet the following 3 conditions, our "remote copy" can easily set up your remote in 2 seconds: 1. The original remote can be used normally; 2. Understand the transmission frequency of the original remote control; 3 original remote control coding IC is PT2262 PT2264 SC2262 SC2260 HS2262 2260 LX2262 2260 EV1527 PT2240 etc.