1.Red:650nm
2. input voltage; 4.5V
3. Power options.
4.dot spot, continuous output current
5:the current<150mA
6. Working temperature: -30~30'C.
7. Storage Temperature: -30~60'C.
8.Dot size:10 ~ 20mm at 10meters
9. Life:>3000H. 10.3buttons battery