Suitable for many kinds of cars, electric gate, doors, garage doors and anti-theft alarm etc. It can copying all kinds of 433MHz(433.92MHz) frequency fixed code remote control (Rolling codes can not be cloned). This product allows you to clone 2 extra remote control to your family or just for alternate. 4 button design allows you to control up to 4 garage door openers or gate systems at once. Button slide cover to protect buttons avoid accidental unplanned operation. Handy key chain, easily attaches to your car keys, convenient to carry., Weight: 0.14991433816 pounds, Manufacturer: Lcarege_F09_5083317