Specification:TypeType A only one lightType B has 2pcs lightType C has 4pcs lightEmitter TypeCOBLight colorWhiteModeLow-strobe-highBattery ConfigurationsBuilt-in 500 mAh polymer lithium batteryMaterialAluminum alloy+pcWeight58GSize 6*4.2cmLumen500LMRun time 3-8hWaterproof Life waterproofFeatures:1. ..