Welcome to the store! Programming Type: Receiver Programming Button: 1 Button Frequency: 433.92 MHz Battery: Built-in Battery Range: 10m-50m (Open Area) Compatible Models: 4330E(4330EML,G4330E.G4330)4332E(4332EML,G4332E,G4332)4333E(4333EML,G4333E,G4333)4335E(4335EML,HE4331,G4335E,G4335) Access to the receiver is required. Please ensure you have access to the receiver/opener before purchasing. How to Program? Delete a Code: To delete a code, press and hold the learning button or code button on the receiver until the first light starts to flash slowly and then lights up until another light turns on. This means the code has been deleted. 1. Press the programming button on the motor. The LED light will turn on. 2. Press the desired button on the new remote control. 3. The light on the door opener will flash, confirming successful programming. The door opener will now work when you press the button on Color: Photo Color Material: Plastic Package Contents: 2x Garage Door Openers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be a little different from the real thing. The measurement allowed error is +/- 1-3 cm. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!