crane scale : -ISO9001-2008, -OCS-XXER-XS, -High precision sensor , -LED screen with high light Electronic Crane Scale is easy to use and convience.stable time =10 secondsMax.safety load :125%f.s.Battery Type:Fully sealed Lead-Acid battery ,6V/7AHhigh accuracyLED screen which stand against its own light,aireless transfer distance being farer than 100meters without obstacles.