Brand nameCarriageModelKL8822MaterialAluminumFunctionLightingSize13.6mm* 63.5mmTreatmentAluminum dioxidePower SourceDry batteryLED1 pieceVoltage4.5VBrief description ofproductsThe back ring turns on/off the light, the surface treatment is through aluminum oxide. It is easy to carry and use, feels comfortable. It is a handy LED flashlight