Came with battery is new only the box has white tape on the box Narrow & wide accuracy settings Magnetic mounts for metal tracks Automatic shut-off after 5 minutes of inactivity Heavy-duty clamp ideal for mounting on a grade rod Waterproof Operating range - 50 m The DeWalt Red Line Laser Detector has been designed to be compact and lightweight. The easy to use detector can detect a line laser beam up to 50m working range. The detector is also suitable to be used with pulsed DeWalt red line lasers. The backlit LCD panel ensures the readings can be easily seen in poor lighting conditions.