LR50W RD20 Wireless Remote Display Mounts easily and quickly in cab. Links to Laser Receivers wirelessly. Large, bright, Red, Green and Blue LEDs Visual and audio depth indication. Environmentally impervious. Recognizes and displays both plumb and tilt angle. Works seamlessly with the LR50w Runs on two AA Batteries. LR50W Wireless Laser Receiver Fitted with wireless radio to communicate with Wireless Remote Display. Built-in blade tilt indication helps the operator keep the blade level for increased production and accuracy. Can be programmed to match an existing or known grade for slope matching operations. Center on-grade provides an equal amount of grade information above and below on-grade. Use on dozers, graders, scrapers, and box blades. Built-in plumb indication for quick and accurate grade checking for backhoes and excavators. Offset on-grade provides more information above grade using the entire receiver for productive excavation. Up to six channels of grade information plus directional out-of-beam indicators. Three selectable accuracies for each on-grade location. Can be used as a stand-alone display receiver PLEASE NOTE: WE ARE NOT A DROP SHIP ENTERPRISE. WE HAVE ALL ITEMS IN STORE. THEY ARE INSPECTED, WHEN APPLICABLE CALIBRATED AND CHECKED OUT BY MANUFACTOR CERTIFIED TECHNICIANS BEFORE THEY ARE SENT TO YOU TO ASSURE QUALITY. 2 Year Warranty Includes: LR50-Wireless, RD20-Wireless with Magnetic Mounting Bracket and alternate Cabside Mount, Hard Case, Two car chargers, a 110v Universal Wall charger, Rechargeable Batteries, Adapter to charge Laser Receiver and Manuals.