The frequency of this remote control is 868.80 to 868.95 MHz and its coding is compatible with Sommer 4018V000 and Sommer 4015862001900 radio transmitters. The remote control comes with batteries and is ready to use. Range of 100 meters (in open field). This 4-button remote control can control up to 4 garage door openers. Pairing is required before use. Changing the rolling code provides increased security for your garage doors. Quick pairing in 30 seconds. This attractive and durable remote control is not compatible with original equipment garage door openers. Thanks to its detailed pairing method, you will learn how to pair it quickly and easily. WARNING: This remote control is not compatible with original equipment garage door openers. Note: Not compatible with 433 MHz remote controls or Sommer models 4019V656, 4018V094 and 4018V656. Specifications: A: 3 pieces Color: see picture Material: plastic Package contents: 3 remote controls