1. Referencing function
2. Memory capacity of 999 data items; enables data transfer to a PC via USB connection
3. LCD backlight for easy operation in darker environments
4. More connectors are optional and interchangeable by the user.
5. Two powering systems: Internal rechargeable batteries or AC adaptor
6. Wide dynamic range and high power measurement capability
7. High accuracy and Stabilized.
8. Auto-off function: saves the power and low power consumption allows extended operation in the field
9. Interchangeable fiber-optic adapters