KERUI DW9 Wireless Security Alarm Driveway Alarm Waterproof PIR Motion Sensor Detector Driveway Garage burglar Alarm System with the function of welcome/burglar Alarm model   Driveway Alarm Wireless Motion Infrared Sensor Garage Alarm Secure System Patrol   Kindly Tips:   1.The driveway alarm systemare not include battery.because Transportation restrictions.   package can be returned easily.the description has instructions, you can buy it at local. thank you very much for your understanding.   2.This motion sensor is FSK model.FSK model can't work with KERUI alarm system.It work with DW9 driveway only.   3.This PIR motion Sensor work frequency is 433MHZ FSK.It is different work frequency of  KERUI P861   alarm systems securitymotion detector   1150FT TRANSMISSION DISTANCE:The receiver range will detect your sensors from 1150 feet away while there are no obstructions. While tested in real-world settings with trees, buildings, walls, and vehicles, transmission range can reach up to 500ft. (Please note: extra heavy interference such as thick walls, metal siding, tall hills, and many trees will diminish the wireless range.)   NO MORE FALSE ALARM:With adjustable detective distance switch, you can change the detect distance from 6 to 12 meters. Moreover, this system comes with two motion sensor covers, you can change the detective view angle from 110° to 10° to reduce false alarms from small animals and objects like birds and falling leaves; Super infrared penetrating power reduce false alarms from the bad weather such as rain/snow or other natural light sources interference such as sunshine.   CUSTOMIZABLE SYSTEM:Each zone will vary from LED light flash which it's sure easy to tell which zone is intruded. If you are looking for some diversity, this system has it all.   SUPER EASY INSTALLATION:No wires to run, no installation hassles. Put in the batteries and place the wireless motion sensor and alarm receiver wherever you want. The receiver and the sensor are paired out of the box, you'll be up and running in minutes.   EXTRA LONG BATTERY LIFE:Receiver can be powered on both by power adapter and battery, while the sensor is powered on 2 AA batteries which can last at least half year (Each outdoor sensor can be triggered 35000 times.) Long battery using ensure that you don't have to keep on top of the battery and taking the driveway alarm with you on a camping trip   Integrate with the function of welcome/burglar Alarm model   Alarm model   When the Motion Detector be triggered, it will sound and send signal to the system panel, you will receive the Alarm Signal at the first time.   Welcome mode   when motion detectors are triggered, the host will make a sound "hello, welcome". It was widely used in stores, offices, factories, and caffee shop.   Waterproof Motion Detector Can Be Used In Outdoor   Different Detection Holes For Different Environments   There are two kinds of holes in the package. The angle can be adjusted.   The detector will detect every 5s, when humans or vehicles are just detected,the next detection will happen after 5s   12M detection range and 6M detection range to adjusted.   One Alarm Host Learn up to 8 pcs PIR Motion Sensors   An alarm host has four defense zones.each defense zones can lean 2pcs driveway sensor.