Replacement for HORMANN Blue Button 868.3MHz Garage Door Remote HS4, HSE2, HSM2, HSM4, HS1, HS2, HSZ1, HSZ2, HSP4, HSP4-C, HSD2-A, HSD2-C. Not compatible with Hormann BiSecur series handheld transmitters. This remote control requires cloning from a working original remote. Ensure your existing remote is fully functional before programming. This handheld transmitter features 4 programmable buttons to control up to four separate garage door openers. Utilizes high-frequency 868.3 MHz technology for improved range and reliable signal transmission. Includes secure code encryption for enhanced safety. Compact and lightweight design for easy portability. Operates on 4 channels with each button controlling an independent channel. Supports self-learning coding process. Color may vary slightly due to lighting and screen display differences. Actual product may have minor color variations that do not affect performance. Measurement may vary by +/- 1-3 cm. Material: ABS. Package includes: 4 x Garage Door Remote Openers. No additional accessories included.