The QDC-V Series consists of integrated single-photon detection modules operating in the visible and near-infrared wavelength spectrum (300 nm to 1100 nm)The modules are light (113 ±5 g) and feature symmetric M4 threaded holes on four sides for versatile mounting orientations on optical tables. The product series is split into Commercial (C) grades for laboratory setups and CubeSat (S) grades for satellite missions.