1.Built-in three groups wireless door magnetic induction, responsive
and high-quality.
2.Wireless configuration, Anti-shear-line,easy to install and operate.
3.The remote has an emergency button on it,you can seek help near the house.
4.There will be high loudness warning on-site,you can choose between mute and
sound, combine the precaution and prevention.
5. Built-in backup power,it can work as usual when the power outage.