The frequency of this remote control is 868.80 - 868.95 MHz and the coding is compatible with Sommer 4018V000 and Sommer 4015862001900 radio transmitter. The remote control comes with batteries and is ready to use. Transmission range up to 100 meters in open area. 4-button remote control operates up to 4 garage door openers. Pairing is required before use. Rolling code technology provides enhanced security for garage doors. Quick setup within 30 seconds; includes detailed pairing instructions for fast and successful configuration. This is not a universal remote and is not an original garage door opener. Not compatible with 433 MHz remote controls or models Sommer 4019V656, 4018V094, 4018V656. Specifications: Quantity: 3 pieces Color: As shown Material: Plastic Package Contents: 3 x Remote Control Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.