Detects entering person by comparing constant background temperature with rapidly changing temperature created. Very easy Installation Detection Coverage: Fan shaped Area of 130°, Distance up to 10 metres Wall, Ceiling or Desk Top mount Flylead supplied so that the TK2 can be connected with Door Bell Button Selectable Alarm, Chime, Off Function Requires 9V battery or AC Adaptor Size: 90x60x60mm – Weight: 90g
Detects entering person by comparing constant background temperature with rapidly changing temperature created. Very easy Installation Detection Coverage: Fan shaped Area of 130°, Distance up to 10 metres Wall, Ceiling or Desk Top mount Flylead supplied so that the TK2 can be connected with Door Bell Button Selectable Alarm, Chime, Off Function Requires 9V battery or AC Adaptor Size: 90x60x60mm – Weight: 90g