This garage door opener is a replacement remote, not the remote, but it functions the same as the remote. Garage door handheld remote has a very compact size that fits very easily in your pocket, bag, or backpack, and it has a built-in key fob to hang on your key ring.<br><br>Type of programming: self Copy Number of channels: 2 Product parameters Frequency: 303MHz Code: rolling code Keys: 2 keys Compatible list:for Guardian 2211L Note: Installation guide not included, we strongly recommend you seek professional installation. Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Colour:As Shown Material:Plastic<br><br>Package Contents: 2 * Garage Door Opener Remote