Topcon RL H5B Self Leveling Horizontal Rotary Laser Level Kit LS 80L Receiver, Holder & Case 1300 ft(400m) Range, ±20 Arc Second Accuracy, IP66 Dust Water Resistant Construction, Grading, Excavating Cut Out Tool This builder's level also features KITG 41S This builder's level also features oversized rubber hand holds for comfortable use and a metal hang hole for storing The level on site The Freecom 1 from Cardo is one of the slimmest and best functioning Bluetooth headsets a rider can get with a working range of up to 1300 feet (400 meters) in diameter when used with the included LS 80L receiver entry level self leveling rotary laser level built for professional flat plane applications in construction