This product is wireless passive infrared compound type intelligent dual-tech intruder detector￡? which adopts spectral analysis and dynamic threshold adjustment technique. It is suitable for security protection in residential houses￡? villas￡? factories￡? shopping centers￡? warehouses￡? office buildings￡? etc.                                    Features             New and high quality<br> Using artificial intelligence technology to identify intruders and disturbance signals<br> When the body is near￡? it will automatically start the alarm<br> The highest sensitivity in the range of 4-5 miters<br> Connectivity can listen to a location within 15 miter of the situation￡? the sound is very clear<br>                                                            Specifications            Operating Frequency    850MHZ￡? 900MHZ￡? 1800MHZ￡? 1900MHZ    <br>Standby Time    For body sensing: 5-7 days; Not for body sensing: 15-20 days    <br>Working Current    Below 50mA    <br>Sensitivity    5-8m Center Angle 90??    <br>Color    Wihte    <br>Material    Plastic    <br>Dimension    (4.8 x 3.3 x 2)cm/ 1.89" x 1.3" x 0.79"(L x W x H)    <br>Weight    131g / 4.62oz    <br>                                                            Package Includes            1 x PIR MP.Alert Infrared Sensor Alarm Anti-theft Motion Detection GSM Alert White1 x USB Cable1 x Adapter (EU plug)1 x User Manual                                                            Extra Info            Function Introduction: <br>A. When the body is near￡?it will automatically start the alarm;<br>B. The highest sensitivity in the range of 4-5 meters;<br>C. Put the alarm cat or paste in a certain height￡? away from the body within meters within the angular range 120??left and right￡? as long as people or animals￡? swaying back and forth in a very short time￡? induction start.<br>D. Connectivity can listen to a location within 15 meters of the situation￡? the sound is very clear.Using Methods: A. Turning on: Open the deck lid￡? insert the SIM card follow the instructions in Figure deck automatically boot.<br>B. Number binding: After 15 seconds calling from mobile phone and other communication tools￡? it will connect automatically. When you hear voice call￡? the binding succeeds. This operation is very simple.<br>C. While human body moving back and forth passing the sensor￡? the product will call the binding number.Remote-control Setting: 1. Send "0000" to the SIM card number after a successful turn off this feature;<br>2. Send "1111" is open induction.