1 x MMP25 3D Light Edge Finder. Product Name: 3D Edge Finder. Item model number: MMP25. Repeat positioning accuracy:? 0.001. Probe direction: ±X ±Y +Z. Probe safety stroke: X. Y plane ±15°, Z direction +5mm. Trigger life:? 5million times. Power supply: 14250 lithium battery 3.6V. Measurable insulating material: Metal, bakelite, wooden board, plastic, etc. Communication is the best way to solve the problem. Your satisfaction is our top priority. We have always been committed to providing the best service and reliable products to every customer. However, accidents may occur at times, and we understand your concerns and setbacks. We will reply to you as soon as possible. Our goal is to provide first-class customer service, so we usually do our best to solve any problems! Please Note: Communication is the best way to solve the problem.