... White/red/green/blue/yellow and more)- material: plastical case,crystal glass surface (Aluminum alloy case also available)For more excellent ... 21cm)&shapes (round,square,triangle,trapezoidal,etc.),or with different material(aluminum alloy,crystal,wooden,etc.),or battery charged,or with ... -saving3. Long lifespan(50, 000H)4. Fashion design and different types5. Easy to install and use6. RoHS, and CE ...