... 1, Smart appearance and high quality 2, Universal remote duplicator 3, Copy RF fixed code remote by face to face 4, CE, RoHS Description ... : SGSPerformance :1. Copy most of rf fixed code remote ,such as garage door remote ,sliding gate remote ,automatic door remote ,home alarm and so on ... 20 daysFor sample :Please inform me what frequency you need . RF remote control duplicator for garage door opener