* @param low 起始索引
"Our internet-connected devices use a proprietary radio system, which links the alarms together," says Nick Rutter, co-founder and chief executive of FireAngel. The connected alarms can send push notifications to users' phones via their home internet router.
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It has also trimmed its five-year capital spending plan to £1.7bn from £2bn by delaying investment in electric vehicle technology.
JSFrontend (Next.js + React SPA)