... .18650 Li-ion battery 3.Certificate:CE,Rohs 4.light range:500-800M CREE LED aluminium torchModel:SD-008Light Mode: High ... ,Mid,LowFlash Mode: Strobe,SOSEffective light range: 500-800MMaterial: T-6061/6063 Aerospace grade aluminumSurface treatment: II ... model:100%-50%-10%-strobe-SOS100%-30%-strobe LED aluminium torch with 18650 Li-ion battery,strong brightness,