Product Specifications: This replacement garage door remote operates at a frequency of 26.995 MHz. It is important to note that this is a non-aftermarket part. 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 equal 27mA for HORMANN 26.995 MHz HS1, HS2, HS4 26.995 MHz HSE2 26.995 MHz HSM2, HSM4 26.995 MHz HSP4, HSP4-C 26.995 MHz HSD2-A, HSD2-C 26.995 MHz HSZ1, HSZ2 26.995 MHz Colour: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 a little different from the real thing. The measurement allowed error is 1-3cm.