JY-218Rechargeableemergencylamp1.BATTERY :4.0V/0.6AHSealed Lead-acidrechargeable battery2.LED:19 pcs3.ChargingTime :Approx.20-24hours4.DurationTime :Approx12hours5.Demension:120x120x130mm OPERATINGINSTRUCTION1.Whenoperatingthelightissuddenlydim,thatthecircuitofover-dischargingprevented todamage battery.pleaserechargedthebatteryatonce.2Thelanternmustberechargedatleast8hourseverythreemonths.3.Whennotinuse,pleaseswitchoffthelight.4.Donotuseorplacetheunitnearwater.5.Theefficiencymaydecreaseiflanternisusedorchargedwhentemperatureisbelow32f(0℃) orabove104f(40℃)