1. Applicable optical fiber type: 0.25-3.0mm2. Wavelength range: 800~1700nm3. Detection frequency range: CW/270/1k/2k Hz4. Detection distance: up to 5km5. Detector type: 1mm InGaAs 2 pcs6. Signal direction: Left & Right LED7. Optical power reading range: 40 dBm to 10 dBm8. Power supply type: AAx2 (not included)9. VFL power range: 10mW10. VFL test distance: 5-8km11. VFL wavelength range: 650nm12. VFL laser type: LD13. Compact and practical, portable, no need to change fixtures, online testing14. Can quickly locate power outages, with a detection range of up to 5km, and LED lighting to facilitate construction in the dark.15. Detection can be performed at any position on single-mode and multi-mode optical fibers, and an identifier can be used to identify it on the line.16. Can identify 270Hz, 1KHz, 2KHz signal frequencies, and there will be a buzzing sound when the frequency is identified.17. When there is a signal in the optical fiber, the left and right direction lights will display the signal direction.18. When holding the machine, press the clamp switch on the back with your index finger to clamp the optical fiber cable, and the test will automatically start.19. ABS material shell, good hand feel, comfortable to use, compact and light, easy to carry20. Product size: 219mmx45mmx28mm21. Product weight: 235gSpecification: Package Weight One Package Weight 0.30kgs / 0.66lb One Package Size 24cm * 9cm * 5cm / 9.45inch * 3.54inch * 1.97inch Qty per Carton 48 Carton Weight 13.58kgs / 29.94lb Carton Size 50cm * 38cm * 32cm / 19.69inch * 14.96inch * 12.6inch Loading Container 20GP: 438 cartons * 48 pcs = 21024 pcs40HQ: 1018 cartons * 48 pcs = 48864 pcs