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Another smoke alarm company, Kidde, has developed a subscription-based service that charges users in the US $5 (£3.71) per month for access to a fire monitoring service linked to the Ring doorbell app. "Trained agents can request emergency help and alert a customer's emergency contacts in the event of an alarm," explains Kidde on its website.。爱思助手下载最新版本对此有专业解读
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英國超市將巧克力鎖進防盜盒阻止「訂單式」偷竊