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 design makes it portable and versatile, suitable for attaching to keychains or backpacks.Working voltage: 12vWorking current: less than equal 27mAfor 26.995 MHzHS1, HS2, HS4 26.995 MHzHSE2 26.995 MHzHSM2, HSM4 26.995 MHzHSP4, HSP4-C 26.995 MHzHSD2-A, HSD2-C 26.995 MHzHSZ1, HSZ2 26.995 MHzColour:Gray BlackMaterial:PlasticPackage Contents:2 x garage door remote controlOnly 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.