Programming with the receiver. Frequency: 433mhz Coding: Rolling Code Buttons: 2 Power Battery: Include Battery Only Compatible With: MITTO2M Access to receiver required. Please make sure you have access to your receiver/opener before purchase. Make sure your original remote control model is in the compatible list. We are not responsible for your incorrect purchase. Note: No-original, but functions the same as your original remote. All brand names, trademarks and registered trademarks are the property of their legal owners and are used here only for the description or identification of the devices. Material: ABS Color: As shown in the picture Package Contents: 1 * Remote Control 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.