NGTeco 11-Piece Wireless Alarm System with Keypad, Wi-Fi/4G GSM Security Kit, Door Sensors & Motion Detector - 120dB Siren, Alexa & Google Compatible, DIY Installation, 0 Monthly Fee - NG-H400-WIFI

• All-in-One Wireless Security Kit: Includes a multi-functional keypad control panel, door/window sensors, motion detectors, and remote controls. Perfect for homes, stores, and apartments—DIY installation requires no wiring or drilling, with setup completed in minutes. Dual Wi-Fi/GSM Connectivity & Instant Alerts: Features 2.4GHz Wi-Fi (802.11 b/g/n) and optional 2G/4G GSM (region-dependent) for uninterrupted alerts via calls, SMS, and app notifications. Stay protected even without internet using GSM backup. Smart Home Integration & Custom Modes: Control remotely via the NGTeco Home app or voice commands (Amazon Alexa/Google Assistant). Switch between Home/Away modes to arm/disarm sensors and monitor entry points in real time. High-Performance Security Features: Equipped with a 120dB alarm siren, 1500mAh backup battery, and long-lasting CR2450/R03P batteries for sensors. Supports BLE, LoRa, and RF 433MHz for extended coverage. Expandable & User-Friendly Design: Add extra sensors for full-home protection. The numeric keypad offers quick control, while automatic backlight adjustment and hidden SOS button (long-press to trigger alarm) enhance safety.