Prismatic reflectors for DOP-40, DOP-40R Purpose: The set of prismatic reflectors 4xE39-R8 prismatic reflector are designed for operation together with beam smoke detectors DOP-40 and DOP-40R. Co-operation: Detectors DOP-40 and DOP-40R Technical data: - operation distance range(for set of reflectors 4xE39-R8) 50 to 100 m