YBJ Alarm System for Home Security,DIY Wireless Home Alarm System with Door and Motion Sensors,Smart Keypad,No Subscription Fee (20-Piece-Kit)

YBJ Alarm System for Home Security
【Support WIFI&4G SIM】With 4G&WIFI dual connection, you can check the status in real-time from anywhere through the Smart Life/Tuya app !
【APP/CALL/SMS/SOUND ALERT】It not only provides loud audible alarms, but also supports remote notification via SMS, phone calls and APP Alerts. Even if you’re away, you’ll be aware of anomalies in your home and take appropriate precautions.Scare off unwelcome guests with an 120dB alarm when a sensor is triggered and get notified with the Smart Life app .
【Easy to Expand】This wireless alarm system supports up to 99 sensors and 5 remotes, perfect for homes, apartments and retail stores. Easily add more motion sensors, door sensors to make your property safer.
【 No Monthly Fee】You have exclusive ownership of the system compared to traditional monitoring systems, with no hidden fees or recurring charges.
【What’s You Get】1X Base Station,1X Contact Sensor,1X Motion Sensor,2X Remote Control