Product Specifications This replacement garage door remote operates on a frequency of 26.995 MHz. It is important to note that this is not an aftermarket part. Please verify compatibility with your existing system before purchasing.The remotes compact design makes it portable and versatile, suitable for attaching to key chains or backpacks.Working voltage 12vWorking current less than or equal to 27mAfor 26.995 MHzHS1, HS2, HS4 26.995 MHzHSE2 26.995 MHzHSM2, HSM4 26.995MHzHSP4, HSP4C 26.995 MHzHSD2A, HSD2C 26.995 MHzHSZ1, HSZ2 26.995 MHzColor Grey BlackMaterial PlasticPackage contents2garage door remote controlOnly the above package contents, other products are not included.Note Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is13 cm.