Dahua Security Wireless Smoke Detector FAD122A-W

54.58$ 40.18$

  • Standard Shipping (7-22 business days)
  • Free return within 30 days
  • TWO year warranty
  • 3 Months Exchange Warranty



1. Infrared photoelectric sensor
2.MCU processing, eliminate false alarm
3.Surface-mount device (SMD) circuit board design
4.High detection sensitivity
5.Simple ceiling installation using a dedicated bracket
6.Up to 3 years battery life using a 3.6V lithium battery
7.Low battery indication at least 30 days from warning signal
8.Alarm sound level 80dB at 3m(10 feet)

9.Frequency: 433MHz


Technical Specification


Wireless Smoke Detector

Work Principle

Photoelectric type

Alarm Sound Volume

80dB at 3m (10 feet)

Alarm Type

Audio and optical alarm

Normal Status

Red LED flashes once every 90s

Alarm Status

Red LED flashes and buzzer beeps continuously

Low Voltage Status

Red LED flashes once every 90s and buzzer beeps every 90s

Low Battery Life

At least 30 days from warning signal

Work Voltage

Lithium battery, DC3.6V

Battery Life

About 3 years

Standby Current


Alarm Current


Center Frequency


Transmitting Power


Transmission Distance

150 meters(open area)

Work Temperature

-10℃ /span>~55℃ /span>

Work Humidity

95% (non-condensation or icing)


Ceiling or wall Mounting


103mm × 103mm × 41mm (L×W×T)


About 110g (including battery)

Additional information
Weight 40.18 kg
Shipping & Delivery

We will send the items within 2-5 working days after the payment being confirmed.

The shipment by our standard shipping method may take about 7-22 working days. If you need express delivery, please contact us before your order shipped.

When you receive the items you ordered on our site, please check carefully in 24 hours, and feel free to contact us for any questions.

If you have not got the parcel within the delivery time stated, please don't hesitate to contact us, we will check it for you with the post office and courier.