Wave length395nm whats in the box1 lanyard 1 battery 1 operation manual 1 battery case 1 flashlight tipsbatteries included random color light colorpurple typeuv flashlighttorch led flashlightstorch power sourcebattery battery typeaa total batteries3 emitterled total emitters51 switch mode1 onoff applicationworking fishing everyday use campinghikingcaving multifunction body colorblack body materialaluminum alloy voltage v45v maximum brightness lumens400