• Welcome to A & R Technologies Website
  • Please choose your product

    • Wireless Smoke Detector with low-battery alert
    • Model:
    • SD-305W
    • Applications:
    • Commercial/Residential
    • Print:
    • Brochure

    Series:

    • SD-305W
    • EB-120N/W
    • PB-100W
    • CS-106AW

    • Powerpack / Control Unit.
      Model:PS-124
    • Dome Indoor IR Camera Series
      Model:FC-N
    • Micro-movement Occupancy Sensor...
      Model:CP-3806
    • Line Infrared Camera grab
      Model:FE-N40
    • Outdoor IR camera series
      Model:AD-N20
    • Dual Frequency Infrared Motion Detector...
      Model:DF-5015
    • Particular
    • Wireless Smoke Detector with low-battery alert

      Specifications:

      • Specifications / Model
      • SD-305W
      • Monitoring Area
      • 20M^2
      • Alarm Concentration
      • m=0.5dB/M(meet GB4715-1993)
      • Alarm
      • Wireless Alarm(Independent)
      • Sound Level
      • ≥85db/m
      • Transmitting Frequency
      • 433.92MHz±75KHz
      • Transmission Distance
      • 100m(Open)
      • Input Voltage
      • 9V DC
      • Current
      • ≤15uA(Standby);≤30mA(Alarm)
      • Battery Life
      • 1 Year (6F22 battery/200mAH)
      • Tamper Switch
      • Yes
      • Operating Temperature
      • -10℃~50℃
      • Dimensions
      • R:107mm, H:35mm
      • Weight
      • 92g