Features: 1. Universal Compatibility: Compatible with BiSecur series transmitters from the original manufacturer, including models HSE1-868-BS, HSE2-868-BS, HSE4-868-BS, HS1-868-BS, HS4-868-BS, HS5-868-BS, HSS4-868-BS, HSP4-868-BS, HSD2-868-BS. Operates at 868.3MHz with a rolling code for improved security. 2. High-Quality Replacement: This remote is not an original product but serves as a high-quality replacement, ensuring compatible performance with your garage door systems. 3. Dual Programming Options: Program by copying the code from your existing remote or via the receiver. Note: This model uses a rolling code (blue LEDs) and is not compatible with fixed code systems (red LEDs). 4. Multi-Channel Functionality: 4 buttons independently control up to 3 different garage doors, with each button corresponding to a separate channel for flexible access management. 5. Easy to Use: Black plastic construction with a standard design. Product appearance and printed text may vary slightly between batches, which does not affect functionality. Product Details: Specifications: - Color: Black - Material: Plastic - Frequency: 868.3MHz - Code Type: Rolling Code (blue LEDs) - Number of Buttons: 4 - Compatibility: BiSecur series systems