RISCO Group Industrial LuNAR - Manual (Page 16)

Ind. LuNAR RK200DTG3 Installation Guide 14
NOTES:
Below 3.7m mounting height, the coverage diameter starts
decreasing, and at 2.7m height coverage diameter is 15m (50ft).
For customized coverage, it is possible to set the position of
each lens to a different height, according to the installation
conditions.