Body: high thickness housing will be strong enough to aviod inmates being able to break or damage the fixture.  rust and oil removed, under anti-rust treated and rust proof for 8-10 years under normal application,  

With white powder coating.

Diffuser is made from firmly  transparentsm, frost Polycarbonate or prismatic , it can be able to withstand someone punching,kicking, hitting with broom stick or other instrument like nail clippers.no sharp edges to 

Aviod inmates to hurt themsleves

Light has specially sealed, IP grade is not less than IP65,and IK grade is IK10.  and impact energy  equals to 20joules. 

Hardened security screws as specified ,  Fully recessed.

Light can be with led tube or led module with driver, DIM driver or DALI driver，AC220-240V or AC120-277, AC120-347 can meet difference country requirements. 

Easy suspendedmounted installation to ceiling

Application：prison