*Characteristics
Stainless steel anti-loose screws
ABS enclosure, corrosion-resistant, impact-resistant
20 watt speaker amplifier
Power LED light
Available for 110VAC or 220VAC
Adjustable speaker volume from the front panel
With power supply and speaker amplifier
Address setting, automatically adjusting speaker volume by measuring ambient noise
Two DI & DO for control
*Certificate
CNS certified, Ex nC IIC T6 Gc X / Ex tD A21 T85℃ X, IP66
CQST certified, Ex nA nC nL IIC T6 Gc / DIP A22 TA, T6 IP66