Genuine Steel-Line ZTWB  wireless wall mounted 433 MHz remote- two button. 

Full compatibility list below:

Compatible with the following openers:

• Steel-Line SD800
• Steel-Line SD1200
• Steel-Line RD800
• Steel-Line RD1200
• SPRINT800SD
• SPRINT1200SD
• SPRINT800RD
• SPRINT1200RD
• MUSTANG
• BOSS RD1A

Inclusions:

• 1 x Genuine Steel-Line ZTWB wireless wall-mounted transmitter
• 1 x Pre-installed battery
• 1 x Fixing accessories