... DTM322A, DTM322B, DTM325A, DTM325B suits the measurement with target and prism.SPECIFICATION: ModelDTM312A,DTM312BDTM315A,DTM315BDTM322A,DTM322BDTM325A,DTM325BTelescope ... sides 20-digit, 4-line dot matrix LCD panel with background illuminationHorizontal angle display range0°~359°59 ... ’59”-999.99%~999.99%Applied measuring module Coordinate measuring moduleOffset measurement moduleLaying-outMissing line ...