DAHUA - ART-ARC3000H-03-FW2(868) - Security alarm set

        DHI- ART-ARC3000H is a complete security system from Dahua:

 It is recommended for installation in homes and offices. 
Several devices from the set are able to take care of security and prevent violations. 
The set consists of a motion detector, two magnetic contact devices, a remote key fob for control, and a hub that provides signal reception and timely response to triggers. 
The actual equipment is a motion detector and contact sensors placed on doors or windows. 
ARC3000H-03-FW2 has the function of connecting via Wi-Fi and mobile network. Transmission is carried out on special frequencies, the distance is from 900 to 2000 metres.