This 7-inch alarm mainframe features a HD IPS screen and a built-in 5000mAH lithium battery. Built-in louder siren and buzzer up to 120dB. New 12V/1A, Typc-5V/2A charging ports. 8 wired sensing zones for homes with pre-installed recessed wiring. It also connects all accessories to the app (Tuya/Smart Life APP), you can know if your home is intruder anytime, anywhere, you can better protect you and your family, as well as your private property security!