The CAT exclusive 4 in 1 Laser Measuring -Stud Finder Tool, is the ultimate measuring/stud finding tool all in one. New to the market this RECHARGEABLE tool measures distance, finds wall studs, finds both magnetic and non-ferrous metals, has a digital level, and a laser cross liner. There is no need to buy four separate tools with this unbeatable 4 in 1 tool. It's versatile for the hobbyist yet precise enough for the professional builder. The 4 in 1 Laser Measuring Stud Finding tool is durable with its ABS plastic and TPR injection rubber body. The rechargeable 300 MAH lithium battery is good for 5000 measuring cycles per charge.