Type of programming: Programming with the receiver Button: 1 button Frequency: 433.92 MHz Battery: Built-in battery Range: 10m-50m (open space) 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. Make sure you have access to the receiver or opening before purchasing. How to program: 1. Press and release the programming button on the motor. The LED will light up. 2. Press and hold 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 operate when the button on the remote is pressed. Deleting a code: Press and hold the learn button or the code button on the receiver until the first light starts to flash slowly and then remains lit until another light comes on. This indicates the code has been deleted. Color: As shown in photo Material: Plastic Package Contents: 2 x Garage door openers Note: Light reflection and different display settings may cause slight variations in the color of the item in the picture compared to the actual product. Measurement may vary by +/- 1-3 cm.