Topcon RL-H5A Laser Level with LS-80A Receiver, Tripod & Staff RL-H5A-KTopcon RL H5A Laser Level with LS 80A Receiver, Tripod & Staff RL H5A K Specifications: Accuracy: H: 10 arc seconds Self Levelling Range: Horizontal 5 Working Area: 800m Rotation Speed: 600 rpm Dust Water Rating: IP66 Operating Time: Alkaline (100 hours) ; Ni MH (60 hours) Operating Temperature: 20C to 50C Includes: Topcon RL H5A Rotating Laser Level Topcon LS 80L Receiver Topcon Receiver Clamp 4 x D Cell Alkaline Batteries Carry Case Operator Manual