... light and LED emergency lamp data as follows:1, Wall and ceiling mounted2, Input voltage:AC 220V ... 10% )3, Power:8W (LED )4, Emergency Time≥1.5H5, Emergency Conversion time≤1SC6, Shell: Alnico7, Installing ... Appending8, Nick Cadmium ( hydrogen ) battery:3.6v 1.5H9, Working temperature:-10--55oC10, Working humidity:10%-90 ... feel free to contact us. K series Rechargeable fluorescent emergency light