• Alarm Sensors TK-2
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Alarm Sensors

  • Power source:DC 9V
  • Detection distance:8m (max)
  • Detection range:140°
  • Switch state:alarm/off/dingdong
  • Working temperature:-20~40°C
  • Working humidity:<93 %RH
  • Detection motion speed:0.6~1.5m/s
  • Static current:0.15mA
  • Alarm time-delay:15s
  • Alarm loudness:>50db
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This product is adopted the high sensitivity detector, integrated circuit and SMT technology; It gathers automatic, convenient, safety and practical function; The wide detection range is made of up and down, left and right service field. It utilizes human motion infrared rays as control signals, when human enter into detection fields, it will start the sound system (dingdong, alarm) to call attention that person enters into detection fields; It could protect you all-weather and it will give safety you never have for your family and travel ; Its using range is wide and its installation is easy.


  • The shape is cabinet; Its detection range is wide and installation is easy(It can be fastened with screw or double-faced glue);
  • It has double functions of receiving information (dingdong) and alarm;
  • It can be used indoor and in travelling, it can be installed level or vertical and also laid on the stable furniture.
  • Its degree can be adjusted freely after installation and the range is wide

Installation and usage:

Open both-sides of the support outward lightly, take out the sensor body

Open the battery lid on the sensor, put 9v battery on it and you could use it after 15s.

Switch function:

ALARM: It will be 10s time-delay if you turn “OFF” to “ALARM”, that is, it will not alarm within 10s even if there is detection signal and it will alarm quickly when you trigger it after 10s.the alarm time is 15s.

OFF: The sensor doesn’t work.

CHIME: It will be 10s time-delay if you turn “OFF” to “CHIME”, if you trigger it after 10s it will be 2 times ‘dingdong” sound and will stop automatically.


Please don’t hit the sensor and detection windows with hard or rough object

Please don’t install the sensor in the sunlight, raining and high humidity zone;

Please don’t install the sensor near heat or air current changed zone;

Please take out the battery in order to avoid damaging the sensor if you don’t use it for long time;

TK-2 is not formal alarm and it has limited alarm loudness, so it can call attention to you only, but can’t guarantee absolute safety. We don’t undertake any responsibility if happen any unexpected event.


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