Feature: 1. Use this convenient 4 button smart remote key to open, close, stop your sliding door. 2. Operate your gate from a long distance, saving you the trouble of getting off in cold mornings and hot weather. 3. The appearance is small and easy to carry, personalized, the design is simple, and the use is convenient. 4. Copying data is faster and not easy to lose codes. The universal type is suitable for most common brands. 5. It is widely used in garage doors, motorcycles, car alarm , home security , and short distance wireless remote control products. Specification: Item Type: Remote Control Material: ABS Frequency: 433Mhz Remote Control Distance: Approx. 30-100m / 98-328in(Open Area) Battery Type: Built in 210mAh CR2032 Battery Scope of Application: Garage doors, motorcycles, car alarm products, home security products, short distance wireless remote control products, industrial control products, etc.. Package List: 1 x Remote Control Note: 1. The necessary conditions for selecting the remote control: the copied remote control works normally, the chip is compatible, and the frequency is correct.2. Please confirm the copied remote control frequency or choose the type of FM remote control before purchasing.3. Please confirm whether your remote control can be copied before purchasing.4. Please allow 0‑1m / 0‑3ft error due to manual measurement. Thanks for your understanding.