Topcon RL-H5A Horizontal Self-Leveling Rotary Laser w/ LS-80L Receiver & Holder. Laser powers on and rotates. Receiver powers on and shows a screen. I DO NOT KNOW ENOUGH ABOUT THESE ITEMS TO TEST BEYOND THIS POINT. LOOK AT PHOTOS AND ASK QUESTIONS. I don’t see any reason why they wouldn’t work, and all signs look good to me!