Light Projector Pens

Features;
1) Light projector Pen with super bright LED projection source
2) May be used for writing or projecting 
3) Focus: 1 - 4m
4) Projecting distance: above 6m 
5) Product size: Φ11 x 138mm       
6) Weight: 32.5g 
7) Material: copper
8) Battery: 2 x CR927