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

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 state2. High-brightness LED lighting flashlight, convenient for construction work in dark environments3. The ceramic core can be replaced. When replacing the ceramic core, just remove the metal head4. Charge as you go, convenient and environmentally friendly. Built-in overvoltage protection circuit is fully charged and automatically cuts off the power5. Universal interface, supports a variety of wires, 2.5mm diameter universal nib, supports SC, ST, FC common interface wires6. Automatic shutdown function, automatically shut down after 10 minutes without operation7. 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/off8. Working time: about 24 hours9. Measuring range: 10-15km10. Power supply voltage: 1.5v11. Power supply mode: USB charging/built-in lithium battery12. Battery capacity: 3.7v 600mah13. Storage temperature: -40 to 85 degrees Celsius14. Working temperature: -20 to 60 degrees Celsius15. Interface type: 2.5mm universal adapter16. Output wavelength: 650nm17. Output power: greater than 5mW / greater than 15mW / greater than 20mW / greater than 30mW18. Application: fiber splicing, testing, wire testing, network analyzer, spectrum analyzer19. Size: 125x35x17mm20. Net weight: 38gProduct 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