Functional Description
Voltage is applied to feed 24 ~ 48V.
The phone is a dual audio touch-tone telephone number issued.
Wall installation.

Technical parameters
User feedback voltage: 24V ~ 48V
Environmental Noise: ≤ 75dB handset is ringing degree: ≥ 85dB
Telephone DC resistance: <300Ω
Color: black (RAL 000 15 00)
Weight: 1.0kg
Protection class: IP44