Visual Outdoor Station with Pressing-key

الوصف

• Functions:
  • Waterproof and damage-proof
  • CMOS or CCD camera
  • Night light compensation
  • Calling indoor monitor by directly pressing room number
• Parameters:
  • Environment temperature: **0 to *0°C
  • Atmosphere pressure: *6 to **6kPa
  • Harmonic distortion: ≤5%
  • Master call channel S/N: ≥*0dB
  • Master call channel audio output non-distortion power: ≥5mW
  • Power supply voltage: DC *2 to *5V (supplied by DYA2 power box)
  • Relative humidity: *5 to *5%
  • Audio response: **0 to ***0Hz, ±3dB/***0Hz
  • Response channel S/N: *5dB
  • Response channel audio output non-distortion power: ≥**0mW
  • Sound pressure: ≥*0dB