The frequency of this remote control is 868.80 - 868.95 MHz and the coding, compatible with Sommer 4018V000, and compatible with Sommer 4015862001900 [radio transmitter]. The remote control comes with batteries and is ready to use. Transmission range 100 meters (open) 4 button remote control controls up to 4 garage door openers. Pairing required before use. Rolling code replacement, provides more security for garage doors. 30s quick coupling: Not original garage door opener for summer, beautiful and durable garage door remote control. With detailed pairing method, you can learn how to pair it quickly and successfully. NOT UNIVERSAL REMOTES Please note that this is not an original garage door opener. Note: Not compatible with 433MHz remote controls, also not compatible with Sommer 4019V656, 4018V094, 4018V656. Specification:B:2Pcs Color: As Shown Material: plastic Package Contents: 2 * Remote Control