The Stanley Intelli Tools C-Line Cross Line Laser Level projects bright red vertical and horizontal lines onto flat surfaces. Perfect for DIY and light residential construction jobs including levelling chair rails and hanging cabinets. Users can easily ensure that the item they are installing is level. Fitted with a 3-position pendulum lock (on/off/manual mode) for safe transportation. Rated to IP50 to protect against dust. Supplied with a magnetic L-Bracket. Specification: Level Accuracy: plusmn; 6mm @10mWorking Range: 10mPower: 2 x AA batteries (supplied)Protection: IP50 RatedThread: 1/4in