1. Data storage: 900 groups
2. Sensor type: InGaAS
3. Display resolution: 0.01dB
4. Power supply: 3 x AA batteries (not included)
5. Measuring wavelength: 1310nm/1490nm/1550nm
6. Weight: about 420g
7. Size: about 22.5 x 12 x 6cm

Functional features:
1. Simultaneously in the measurement of three wavelengths, providing 1310nm/1490nm/1550nm different power values
2. Anti-drop silicone cover, removable protective sleeve, split design for better protection, compact and portable
3. Sturdy bracket design, support more stable, to meet your different habits of use, more convenient to use
4. Backlight LED display, can work in bright light or dark conditions, backlight can be manually switched on and off, easy to use, and improve work efficiency
5. Provides high-precision readings to ensure the efficient operation of your network, can accurately and reliably measure the power and loss of optical fiber, rapid diagnosis and problem solving