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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.。业内人士推荐91视频作为进阶阅读
The firm's five-year contract, initially estimated to be worth £6m, has more than a year left to run - however a new company will start taking over the work in the coming months.。业内人士推荐51吃瓜作为进阶阅读
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