Wireless Pet Immune IR PIR Sensor Smart Home Motion Detector For Smart Alarm Security System
System Introduction: P829 passive infrared detector applies digital dual core fruzzy logic control processing technology and intelligent analysis algorithms and can distinguish interfering signals and body movement signal effectively to prevent false alarms. With built-in spiral high-frequency spring antenna,it has quite far transfer distance and is environment friendly and energy saving,safe,reliable and easy to install and so on. Technical characteristics:
Package include 1xKERUI 829 PIR 1XWall
FQA : 1.Q:If I buy more,will there be any discount? A: pls contact us by trade manager or leave us a message, and we will quote you the best price for a discount, the discount is based on the QTY. 2.Q:When can I receive item after made payment? A:Normally,we will send it by China post for declear value 20usd per package,and it takes about 8-60days arrive. If EMS or DHL, it takes about 2-18 days arrive, declear value based at least 30 usd. 3.Q:I still have not received the item after 30 days,what should I do? A:International shipping need more time,pls wait for a few days until the 50th, or pls try to contact the original post near your home, the package may be there. 4.Q:What I received is different from picture,what’s happen? A:Every item before shipping is well inspected,though we packed well,it still can’t be avoid because of rough handling by shipping worker.In this case,pls contact us and let me know how many quantity in broken,please email me what you prefer: refund you relative money or resend to you.