Fangrui Product Details Durable And Easy To Install. Fine Workmanship And Style. Specification: Buttons Color: Grey Rated Voltage: 12v 23a Installation: Wireless For: Such As Electric Telescopic Door Remote Control, Road Gate Remote Control, Alarm Remote Control And So On. Wireless Mission Distance: 10-150 (m). (open Space) Frequency: 40mhz, 40.685mhz Compatible Models: For Hormann 40.685mhz Grey Buttons For Hormann Hse 2/4 For Hormann Hs 2/4 For Hormann Hsm 2/4 Special Note: If Your Remote Control Is Not Listed Please Do Not Buy It. Even If Your Remote Control Is On 40.685 Mhz, Do Not Buy It. Material: Abs Colour: Black Gray + Gray Package Contents: 1 X 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.