These scale units are delivered in 2 different model. 
 Up to 450 mm the midel matches the photo  
 of ABVE-0008,from 500 mm the photo of the ABVE-0020. 

● Measuring range:0-1000 mm(0-40")
● Resolution 0.01 mm.
● Accuracy:±(0.02+0.0005xL) mm, (L=length in mm).
● Repeatability:±0.01 mm/0.0005".
● mm/inch conversion.
● Max.measuring speed:1m/s
● ABS/INC switchable.
● Reset/preset
● On/off switch.
● Delivery complete with mounting material.
● Power supply:1 battery
● Can be used with 3-Axis DRO Display#1104-0220(1104-0110V) or one Axis DRO  position#1104-7950(#1104-8111)or individually.