.Marine Batteryless Telephone 2.Model: HSQ-1,6HSQ-1,8HSQ-1,12HSQ-1 3.Capacity 1/ 6/12 user 4.Competitive price...

Functional DescriptionPassive repeater: no external DC24V, hand-cranked generator to increase sound call and call.Active Call: Access DC24V power supply, according to the call button calls and by voice call.Embedded installation.Technical parametersEnvironmental Noise: ≤ 75dB ringing level:> 85dB (A)Operating voltage: DC24VColor: black (RAL 000 15 10)Weight: 1.2kgProtection class: IP20

batteryless telephone