Hormann HS1 Hand Remote 315MHz
The Hormann HS1 remote is a single button transmitter used to operate Hormann garage door openers. The HS1 remote operates at 315 mhz and sends a new signal each time. This gives you superior range and makes it nearly impossible to duplicate your code. The Hormann HS1 is a high quality remote that is engineered and manufacturered in Germany.

Compatible with Hormann SilentDrive SD5500, SilentDrive SD7500, SilentDrive SD8500 and HE1 receiver.

Includes:
Single button remote
Visor clip
12V A23 battery
Instructions

Dimensions: 4 5/16" X 1 1/2" X 1/2"

Specifications:
Model: HS1-315
Item: D437652
UPC: 4042533508666
FCC ID: PZI-315HSHE
IC: 4205A-315HSHE

The Hormann HS1 will work if you use any of the following radio controls:
Hormann: HS4, HSM4 and FCT3B