SAVE 23%! The Besf Offer KERUI G18 Wireless Home GSM Security Alarm System DIY Kit APP Control With Auto Dial Motion Detector Sensor Burglar Alarm System From KERUI Official Store
You Get Discount 23% Original Price is US $44.98, If You Buy it Now until 2018-12-27 You Just Pay For US $34.63 Buy It Now
Updated Version:W18 WIFI GSM Alarm System
What is in the package of gsm auto dial alarmes ?
Due to aviation, batteries are not included
We also provide EU/UKAU/US Plug ,We will send power adapter according to your country!
We also provide other KERUI Wireless & Wired accessories for sale. Please feel free to contact us if you have any needs.
To detect the leakage of gas/natural gas/ liquefied gas
Door sensor is used for sensing the closing and opening state of the door, and is consisted of transmitter and magnet two parts. It can be installed on doors,windows or any object that can be closed and opened. When transmitter isseparated from the magnet, door senser will send alarm signal to alarm panel,host will alarm.
Installation and Use of PIR Motion Detector
Before use, make sure the power switch of PIR motion sensors is ON. Installation height is about 2.2 meters above ground and it should be installed in the cornerof the room to get the best detection range. At the same time, it should form a certain angle with the walking line ( 90 degree angle is best for detection)