Layer Estimates:

Layer: Buffer_OutFeatureClass__20_Kilometers (ID:2)
Count: 3
Extent:

XMin: 121.468801154
YMin: 23.5884637290001
XMax: 122.027454419961
YMax: 24.042130187575
Spatial Reference: 4326 (4326)
Vertical Spatial Reference: 5773 (5773)