GRSICO HOME ALARM SYSTEM WIRELESS: A great do-it-yourself home alarm system fit to protect your house. The smart WiFi house alarm system 9-piece kit includes 1 alarm station, 4 door & window sensors, 1 motion detector, 1 keypad and 2 remote controls. Easily DIY Installation: Set up the house alarm system in minutes all by yourself and WiFi Alarm siren volume is adjustable and up to 120db. Remote Control: Wherever you are, you can control and monitor your wireless WiFi home alarm system on the Smart Life App anytime, such as arm/disarm your home remotely, and personalized Entry, and Exit Delay. Early-Warning Notifications: Receive real-time early-warning notifications in the form of smartphone alarm alerts, limited SMS/text messages, and calls(add-on values) to deter burglars successfully and always give you peace of mind. Easily Expandable: Supports up to 20 sensors and 5 remotes. Add additional entry sensors, motion sensors, keypads, and more to smart home wifi alarm system quickly and easily expand your entire home protection to suit the size and lay out of your home. Voice Control: GRSICO WiFi alarm system for apartment can be easily controlled by Away, Disarm, and Home modes with your voice. Work with Siri, Alexa, and Google Assistant. Only work on 2.4GHz WiFi. (NOT SUPPORT 5G) No Contract Fee: APP notification messages, no need to pay any subscription service fees, GRSICO home security alarm system 24-hour comprehensive protection of your family security. GRSICO Wireless Home Security System 9 Piece Kit comes with a Base Station to keep your system online, one Keypad for in-home control, and two Remote Controllers to arm or disarm your home alarm system with a push of the button, and one Motion Detector to protect an entire room from a single location with a 120° field of view and 25 ft range. With four Contact Sensors to detect when doors or windows open, it's a great fit for 2-3 bedroom homes.