Description

FR990 Stainless Steel Teaching Pen

Product parameters:
1. Model FR-990
2. Material: Stainless steel
3. Appearance Surface Treatment: Electroplating
4. Switching mode: back cover button switch
5. Batteries: Green Blue 2*16340 Batteries Red 1*18650 Batteries
6. Wavelength: 520 nm 650 nm 450 nm
7. Power: 100 mw, 200 mw, 80 MW
8. Range: 500-1000 (the higher the power, the greater the range)
9. Working voltage: DC3.7V
10. Optimum operating temperature: 0-35 degrees
11. Size: 190mm*32mm
12. Weight: 654g (without battery)
13. Focusable focus, continuous output of spot spot.