... quality,low price,long lifetime. Product name:Green Laser Pen Model no.JL-006 Dimension:13*145mm ,Net weight: ... :black. Battery:2*"AAA" (included). Output Wavelength:532 nm Laser Type:Visible laser Diode. Output mode:constant wave. Output Power:1mW-200mW (1mW ... ,150mW,200mW also for clients) Technical Parameter: Fixed focus, green dot facula, continuous output and working time over 8000 hours Working ...