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.<br> The remote's compact and design makes it portable and versatile, suitable for attaching to keychains or backpacks.<br> Working voltage: 12v<br> Working current: less than equal 27mA<br> for 26.995 MHz<br> HS1, HS2, HS4 26.995 MHz<br> HSE2 26.995 MHz<br> HSM2, HSM4 26.995 MHz<br> HSP4, HSP4-C 26.995 MHz<br> HSD2-A, HSD2-C 26.995 MHz<br> HSZ1, HSZ2 26.995 MHz<br> Colour:Gray Black<br> Material:Plastic<br> Package Contents:<br> 2 x garage door remote control<br> Only the above package content, other products are not included.<br> 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.