Photo 1 of HeavenBird G2 Gateway for TT/DD Lock App, Gateway for Smart Door Lock with Remote Control, Only Work 2.4G Wi-Fi, Compatible with Alexa Voice Control

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Photo 1 of HeavenBird G2 Gateway for TT/DD Lock App, Gateway for Smart Door Lock with Remote Control, Only Work 2.4G Wi-Fi, Compatible with Alexa Voice Control