史低9月22日一天！Blink Video Doorbell + Sync Module 2视频双向通话智能门铃套装仅$49.98
作为智能门铃，无绳设计，电池换一次可以续航2年！还可以双向通话，看到外面的人和Alexa App智能联动，安全感满满！配合Sync Module 2还能实现联动和本地存储功能哦！
Amazon Treasure Truck
这个是Amazon Treasure Truck的活动，活动价格仅限一天。如果是第一次购买，进入后要sign up for text alerts（买完后可取消订阅短信）。部分地区不可以用
This is a product on Amazon Treasure Truck, the price is good for only one day . You would need to sign up for text alerts (you can unsubscribe at any time). Eligibility may vary based on zipcodes.
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