tolviviov DP-W2 WiFi Door Alarm System 8 Pieces-Kit

tolviviov DP-W2 WiFi Door Alarm System 8 Pieces-Kit (SJ108)Item is New in Open Box. Has been removed from original packaging and handled for inspection - Please anticipate signs of handling. Outer packaging may have cosmetic imperfections/damage - does not affect the item itself. Product may not ship in original packaging. Includes all items seen in pictures ONLY. Actual item pictured. 8-piece kit includes the 1 alarm siren station, 5 windows & door sensors and 2 remote controls. You can add extra door and window sensors, motion detectors, wireless doorbell, and water detectors to different rooms in your home security systems. It supports expansion of up to 20 sensors and 5 remote controls/keypads, which can be added to the WiFi alarm station. Works with Alexa and Google Assistant. WIFI connection, Only works on 2.4GHz WiFi network, does NOT support 5GHz WiFi networks. Letters and Numbers in ( ) is the items location and is for our reference ONLY.