TL-B3-L15 10KM-15KM Mini Rechargeable Fiber Optical Red Light Sources Test Pen Clamshell Light Pe...

1. 650nm red light button: Long press the red light button to turn on the red light source and short press again to switch to the flashing/off state
2. High-brightness LED lighting flashlight, convenient for construction work in dark environments
3. The ceramic core can be replaced. When replacing the ceramic core, just remove the metal head
4. Charge as you go, convenient and environmentally friendly. Built-in overvoltage protection circuit is fully charged and automatically cuts off the power
5. Universal interface, supports a variety of wires, 2.5mm diameter universal nib, supports SC, ST, FC common interface wires
6. Automatic shutdown function, automatically shut down after 10 minutes without operation
7. Press the red light button + LED button at the same time for a few seconds, when the indicator light flashes 3 times, it means that the automatic shutdown function is turned on/off
8. Working time: about 24 hours
9. Measuring range: 10-15km
10. Power supply voltage: 1.5v
11. Power supply mode: USB charging/built-in lithium battery
12. Battery capacity: 3.7v 600mah
13. Storage temperature: -40 to 85 degrees Celsius
14. Working temperature: -20 to 60 degrees Celsius
15. Interface type: 2.5mm universal adapter
16. Output wavelength: 650nm
17. Output power: greater than 5mW / greater than 15mW / greater than 20mW / greater than 30mW
18. Application: fiber splicing, testing, wire testing, network analyzer, spectrum analyzer
19. Size: 125x35x17mm
20. Net weight: 38g
Product list:
-1 x red light pen
-1 x lanyard
-1 x packing box
-1 x ceramic core
-1 x instruction manual
-1 x charging cable