How to make automatic emergency Light / emergency light with mobile battery and without Relay

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from Google Alert - electronics https://www.google.com/url?rct=j&sa=t&url=https://www.youtube.com/watch%3Fv%3DcQ2hLGHFTN8&ct=ga&cd=CAIyGmRhOGUyMDE2OTdiYjkzNjQ6Y29tOmVuOlVT&usg=AFQjCNEvyNDUvYOURr_RvSB2H3p8hmSCLg
via IFTTT