Magepull LC: Pulls cables through insulation in seconds Reduces cable fishing time by 70 percent Eliminates wall damage from misplaced holes in the wall Can pull under carpet Magnespot XR1000-K2 v2 Applications: Drilling Through Exterior Wall: Eliminate the possibility of drilling into Exterior Live Power Lines or Water Pipes Drilling From Attics / Basements into Wall Cavity: Eliminate the guesswork of fishing walls Drilling on Angles / Corners: Great for CCTV Cameras and Satellite Dishes Finding Reference Points in Complicated Constructions: Eliminate headaches when job site has no measurable reference points Finding Reference Points in Commercial Buildings: Find reference points floor to floor while working in Commercial Buildings Works through Walls, Metal, Plaster, Drywall, Floors, Ceiling, Wood and Concrete, virtually any surface. Magnespot Specifications: Maximum Distance: 60 inches ( 5 Feet ) Audible Range: 96 inches / 8 Feet Receiver Accuracy: 1/2" @ 20" Transmitter Battery Type: 9V Alkaline (included) Transmitter Battery Life: 4 Hours Receiver Battery Type: 9V Alkaline (included) Receiver Battery Life: 4 Hours