It is only compatible with for Hormann 868MHz blue button. Garage door remote control, 868MHz, simple operation, easy to use. Product Parameters: Operating Voltage: 12V; Operating Current: ≤27mA; Transmission Distance: 100 meters (open space); Compatibility list: Hormann hsm2 868 ,hsm4 868, Hormann hs1 868,hs2 868,hs4 868, Hormann hse2 868, Hormann hsz1 868,hsz2 868, Hormann hsp4 868,hsp4-c 868, Hormann hsd2-A 868,hsd2-c 868 Here is the way of copy Step:1:Clear the history code from du plicator 1:Press button A and B contnuously until LED flas' 2.Release buttonB (Keep pressing button A),and press button B Slowly for 3 times,LED flash 3.Releas e button"A",fin ish code clearance Step 2,Copy code from original tra::srnitter 1. Put duplicator aside oforiginal transmiteras close as possible. 2. Press and hold button A of orieina! transmitterthen press and hold button A of duplicator until you see the duplicator's LÃD flash 3.Releas e both buttons,finish ccde cnpy, copy other button in same way. Return Funetion: Press an d hold button C and l for 3 seconds,the lE D flash,ok all buttons return back to the latest copy codes. Color: Black & Silver Material: Plastic+Metal Package Contents: 1 * Garage Remote Control