Sale! S840-2 Remote control concrete laser screed $48,000.00 Original price was: $48,000.00.$10.00Current price is: $10.00. The S840-2 remote-controlled concrete laser screed machine is an advanced laser screed machine developed by our company on the basis of S840-2 Ride on laser screed. In addition to the features of the S84-2 ride on laser screed machine for stability and leveling, the product also realizes long-distance remote control of the laser leveler. Add to cart