ELRO ARD51 - Important Information and Specifications; Important Usage Precautions; Technical Specifications

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• To deactivate the alarm, press the On/Off button once. The led ARM will turn off. Depending
on the selected alarm, the alarm unit will stop alarming a few seconds later.
- Barking dog : Stops approx. 20 seconds after pressing the On/Off button.
- Police alarm : Stops approx. 50 seconds after pressing the On/Off button.
- Doorbell : Stops immediately after pressing the On/Off button.
Important
• This product is only suitable for indoor use. Do not place the alarm unit where it will be
exposed to direct sunlight, high temperatures (such as radiators or heaters) or rain. Do not
open this unit other than as intended and do not attempt to repair/modify this unit yourself.
The warranty on this product is void if it is used in a manner other than that specified by the
manufacturer.
• The volume of the alarm signal is very loud (120dB maximum). Therefore, avoid prolonged
contact with the alarm signal.
• If the alarm unit is placed too close to a heat source, a false alarm can occur. Resolve this by
relocating the alarm unit to a different location / in a different direction.
• ELRO Europe is not responsible for any loss or damage caused by the malfunctioning of the
alarm unit.
Specifications
Alarm volume
Adjustable from 70 to max 120 dB(A)
Reach of the radar sensor
Max 9-16 m detected from rear
Detection angle
360°
Consumption
≤ 6 W
Operating voltage
12V DC
Operating power
1A
Power when on standby
≤ 20 mA
Power when in use
≤ 500 mA
Dimensions
150 mm (H)*160 mm (W)*110 mm (D)
Net weight
765 g
Gross weight
790 g
Temperature / humidity
-20°C - 60°C / 20% - 85%