CR-920LDynamoLEDTorchwithEmergencySiren CEcertificate ROHSSpecification:ManualDaynamoLEDTorch5LEDLightCompassEmergencySirenwithLightPowerIndictorUnitDimension:134x56x42mmInspectionstandard:Generallytheacceptableinspectionstandard basedonAQL2.5/4.0,ifyouneedhigherinspectionstandard,firstweneedtocheckifwecanreachthisstandard,andthencheckthepriceBatterylifespan:Chargebatteryuntilitisfull,andthenyoucanuseforalongtimebeforeitwasuseoff,youcandolikethisfor800times