GeoMax  ZRD105B - Digital Laser Detector Receiver with Beam Catch 
The best digital display technology supported by adjustable LED and audio signals. 
Features:
  Built-in flash suppression.
  Beam Catching Technology
  Built-in Bubble Vial
  Dual Display
  Working Diameter: 900 m (3000 ft)
  Extended Detection Window: 105 mm / 4 in
  Numeric Readout Height: 90 mm / 3.5 in
  Detection Accuracy: Ultra Fine = ± 0.5 mm / ± 0.02 in, Super Fine = ±   1.0 mm / ± 0.04 in, Fine = ± 2.0 mm / ± 0.08 in, Medium = ± 3.0 mm / ±   0.12 in,  Coarse = ± 5.0 mm / ± 0.20 in
  2 Year Manufacturer's Warranty