Replacement for HORMANN Blue Button 868.3MHz Garage Door Remote models 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 is a cloned version and requires an existing working remote for cloning. Ensure your original remote is fully functional before use, as this remote will not work otherwise. The garage door handheld transmitter features 4 programmable buttons to control up to four separate garage door openers. Utilizes high-frequency technology for improved range and includes security code encryption matching the original. The opener is compact and lightweight, designed for easy portability and storage. Specifications: Replacement transmitter for Hoermann 868.3 MHz, not an original product. 4 channels with 4 buttons, each corresponding to an independent channel for individual door control. Uses self-learning coding technology. Color may vary slightly due to manufacturing differences, which does not affect functionality. Color: As shown. Material: ABS. Package Contents: 4 x Garage Door Opener. Other items not included. Note: Lighting and display differences may cause slight color variations between the image and actual product. Measurement tolerance: +/- 1-3 cm.