Product Specifications: This replacement garage door remote operates at a frequency of 26.995 MHz. Please verify compatibility with your existing system before purchase. The remote's compact and lightweight design makes it portable and versatile, suitable for attaching to keychains or backpacks. Working voltage: 12V Working current: less than or equal to 27mA Compatible with HORMANN 26.995 MHz models: HS1, HS2, HS4, HSE2, HSM2, HSM4, HSP4, HSP4-C, HSD2-A, HSD2-C, HSZ1, HSZ2 Color: Gray Black Material: Plastic Package Contents: 2 x Garage door 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 to appear slightly different from the actual item. Measurement may vary by +/- 1-3 cm.