General description Replacement garage door opener, not-original garage door opener. This pack includes 3 remote controls designed for compatibility with various garage door systems operating at a frequency of 868MHz. The wide body shape provides a better hand feeling, and each remote features 4 channels for versatile operation. Technical specifications Frequency: 868MHz Channels: 4 Color: Gray Material: Plastic Measurement allowed error: +/- 1-3cm Compatibility and accessories Compatible with: HSM2/4 868, HS1/2/4 868, HSE2/4 868, HSZ1/2 868, HSP4/-c 868, HSD2-A/-C 868 Compatible engine model: Supramatic e2 Only compatible with the 868MHz blue button Installation Programming method: Copy your old remote control face to face Other information Package Contents: 3 * Garage Door Opener Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.