Uniblitz® DSS35B 35 mm aperture, bi-stable shutter does not contain any protruding actuator or other interfering components. All drive and damping related components are completely contained or integrated within device itself. Compatible with uni- and bi-stable shutter devices, UNIBLITZ VED24 Shutter Driver provides simple, straightforward shutter control. Operation options include manual shutter control, external triggering, and remote computer interface.