Compatibility: 10 dip switches garage door opener non universal remote control, not compatible with "8" or "9" dial switch; Only compatible with for linear multi code 3089, 3060 and 3070, working frequency is 300mhz, please pay attention to whether it is applicable before purchasing Programmable Garage Door Opener: the design of 10 dip switches makes remote control setup simple, and programming can be completed in a few minutes; Please approach the garage door opener when starting remote programming, and make sure the garage door opener is fully closed, otherwise you may not be to program it successfully, the product comes with operating instructions Safe and Reliable Performance: multi frequency control, button programming allows different frequencies and codes, 300MHz frequency technology ensures strong signal transmission, provides fast response capability, 164 feet long distance stable working range; Encrypted rolling code technology is designed to get a new code every time you open the door with the press of a button, protecting your access and connection and significantly reducing radio wave interference Portable Size, Material: the remote for garage door opener is suit for handholding, and the mini keychain type dip switch garage door opener remote can be easily attached to your keys and put into handbags, wallets, pockets, etc., without taking up much space; Garage door remote control kits are made from materials to withstand daily wear and tear, ensuring long-term use Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Photo Color Material:plastic Package Contents: 4 x Garage Door Opener Remotes 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.