Stable Purple Blue Beam Light Visible 5mW 405nm Laser Pointer Laser Pen Powerful

Stable purple-blue light. Perfect for teachers, students, engineers, doctors, managers and so on, convenient to use anywhere. Use the laser pointer to point at any desired targets on projection screens, video monitors, and presentation graphics. Type: Laser Pointer Pen Laser Color: Purple-blue Laser Type: Visible Laser Diode Laser Wavelength: 405nm Reach Distance: < 100m Laser Output Power: < 5 mW Light Style: Beam light Power Supply: 2 x AAA Batteries (Not Included) Switch: Button Output Wave: Continuous Wave Body Material: Metal Body Color: Black Occasion: Teaching, Office Using, etc. Pen Size: 14cm x 15.5cm/0.55'' x 6.10'' (Approx.) Notes: Please don't shoot the light to eyes, skin of human or animal. Please take out the batteries when you don't use it, and keep it away from kids. We suggest the continuous illumining use should be less than 1 minute, in case of the excessive heat influence the service life. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Laser Pointer Pen (without Battery)