KERUI W18 Only 2.4G WIFI+GSM Wireless Smart Burglar Security Alarm System DIY

Features: --WiFi Settings - WORKS ON 2.4GHz WiFi (NOT support for 5GHz WiFi), by using the free i - OS/Android 'W18' app to search your WiFi signal and enter its password, you can control the system from anywhere anytime via your smartphone, and receive push notifications alert when you are out. Arm, Disarm, Home Arm, Delay Arm, Scheduled Alarm Time, Zone Attribute Setting and more can be adjusted on the app. SEARCH FOR 'The way of using W18 Home Alarm system kit'on You - Tube to see more information. --GSM Settings - WORKS WITH A STANDARD GSM SIM card with credit (NOT provided). When the alarm is activated, UP TO 6 PRESET numbers will receive an alert telephone call and SMS text to notify you which zone has a security breach, and provides the 2-way intercom to check the panel status remotely. Supports O2, Vodafone and T-mobile Pay as You Go SIM card, or any other backward compatible 4G SIM card operates at GSM 850/900/1800/1900MHz. --Complete Alarm System - Comes with 2 PIR motion detectors .