แแฆแฌแแ แ
>ย Alarm indicator: Red led;
>ย Sensor: Dual element infrared sensor;
>ย Digital circuit, using microprocessor;
>ย Bipolar pulse count adjustable;
>ย Anti-whiteย light, anti-fluorescent function;
>ย Full automaticย temperature compensation;
>ย Digitalย microprocessor controller,ย anti falseย alarm;
>ย SMT manufacturing process, anti RFI, EMI interference;
>ย ABSย plasticย material;
>ย The tamper function