... good for bar,KTV,band,party and etc. laser light,stage light,disco light,It look likes beautiful starriness when the greenlaser ... pointer emitts many green laser dots on the ceiling ... material: brass9)Body main color:black10)Operation temperature:20¡ãC - 30¡ãC11)Storage temperature:-10¡ãC - 50¡ãC 12)Safety:FDA,CE laser light