Only compatible with for BLUE BUTTONS 868MHz handheld transmitters. NOT compatible with handheld remotes with GREY or GREEN buttons. This garage door opener is a replacement remote, not the remote, but it functions the same as the remote. Garage door handheld remote has a very compact size that fits very easily in your pocket, bag, or backpack, and it has a built-in key fob to hang on your key ring. Type of programming: self Copy Number of channels: 2 Product parameters Frequency: 868.3Mhz Transmitting distance: 100m (open space) Compatible list: Can copy for hsm2 868, hsm4 868, hs1 868, hs2 868, hs4 868, hse2 868, hse4 868, hsz1 868, hsz2 868, hsp4 868,hsp4-c 868, hsd2-A 868, hsd2-c 868 Note: Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Colour:As Shown Material:Plastic Package Contents: 1 * 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.