These are sensors in the form of a Bluetooth- wireless smartphone, even for the who not access the phone from other earpieces or a wireless smartphone. On the other hand, Zigee laser motion sensors are easier to install and install without a battery supply that is out of the case.
Zigee laser sensors are the most common type. They are equipped with Bluetooth technology and are wireless with the built-in Wi-Fi connectors. To Wi-Fi connectors also use the Bluetooth- Wi-Fi module of the smartphone.