• Key switch/push button for surface and flush mounting. • Execution: 2 buttons for two-sided impulse operation. • With round cylinder, includes 2 keys. • Housing made of fiberglass-reinforced plastic, protection class IP54. • Suitable for garage doors, sliding doors, revolving doors, door drives, shutter controls, awning drives. • Mounting and flush mounting by removing the back of the housing. • Push button for two-sided impulse operation with Ba round cylinder.