DDQ-1A Whistle Controller:

China DDQ-1A Whistle Controller:

DDQ-1A Whistle Controller

) Annex III of Convention on The International Regulations for Preventing Collision at Sea (COLREG) 1972 and its Amendments.
2)Maritime Administration of the People's Republic of China: "Regulations on Legal Inspection of Ships and Marine Facilities-Domestic Navigation Sea Vessels Legal Inspection Regulations" Chapter 13 of Part 4
3) Maritime Administration of the People's Republic of China: "Regulations on Legal Inspection of Ships and Marine Facilities -Domestic Navigation Sea Vessels Legal Inspection Regulations" Chapter 8 of Part 4
4)IEC 60945:2002/COR1:2008 Maritime Navigation and Radiocommunication Equipment and Systems-General Requirements-Methods of Testing and Require Test Results.

Colour: Dull black

Shell material: ABS

Power source:2xAC220V±10% or AC220V±10%, DC24V±10%

IP rating: IP22

Power consumption: 300W