SIM card is not provided. The alarm host included the back up battery, Remote control included the battery(1pcs 27A 12V battery). Wireless door sensor work with 1pcs CR2032 Battery.Wireless motion sensor work with 2pcs AA battery. Wireless water sensor work with 12v 23A battery.
Wireless smoke alarm work with 1pcs 9V 6F22 battery. Wireless vibration sensor work with 1pcs 12v 23A battery. Noted: The wired type sensors power supply. The package include the same the choose order set picture show.
It's easy to make mistakes when ordering, so please double-check the details. It's better to check than to discover a problem after the item have arrived! Et WIFI GSM Alarm System.