The Ring Alarm Base Station 2nd Gen 4HB1U9-0EN0 is a white smart hub replacement unit that includes a power supply control, alarm, receiver, and base station siren. It is compatible with Apple HomeKit, Google Assistant, and Amazon Alexa for smart home automation. This wireless and Wi-Fi connectivity unit has one zone, measures 6.65 inches in length and height, weighs 1.1 pounds, and operates indoors. The siren emits a loud noise to deter intruders and can be connected to other Ring devices for a comprehensive security system.
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