مكان المنشأ
Guangdong, China
Material
Cold rolled steel body
Version
Handsfree Operation
Certificate
CE,FCC,ROHS,ISO9001
Warranty
2 Years standard, Longer for customzied
Application
tunnel,railway,subway,platform,mining
Temperature
Operating: -30°C to +65°C
Installation
Wall mounting
Communication Type
Full duplex
Ringer volume
90~95dB(A) at a distance of 1 m