- Feng Shui Compass function can see good and bad directions. Directions can be viewed at the same time for husband and wife. Viewed directions can be saved

- The Lo Ban Ruler function can look up 3 types:
+ Lu Ban ruler 52.2 cm: Measure hollow size (clearance)
+ Lu Ban ruler 42.9 cm: Measure solid dimensions: building blocks (stoves, pedestals, steps...)
+ Lu Ban ruler 38.3 cm: Measure the sound: graves, furniture (altar, altar cabinet, altar frame...)