1、Portable leveling tool, with red beam, 12 lines display, the control function is clear and the operation is simple. 2、Bevel line can be done at any angle, with a tripod, it can be easily used for slashing at 180 degrees. 3、You can choose to use one or several groups of light, and you can also choose normal light (strong light) or weak light. 4、Powered by 4 x 5V AA batteries (not included)or can be connected to a 5V external mobile power supply via the USB interface or connected to a mobile phone charger. 5、It's ideal for paving tiles, installing photo, door, window, or furniture carpentry, hanging decoration. 1 x Line Level(Battery Not Included)1 x Lanyard1 x Base1 x USB Power Cord1 x Instruction Manual1 x Storage Bag Item Type: Line LevelMaterial: ABSColor: As shown in the pictureWeight: Approx. 980g / 34.6ozWaterproof Rating: IP: 54Accuracy: ± 2.2mm/10mOrthotropic Accuracy: 90°±30Leveling Range: ±3°Leveling Measurement: Gravity pendulumWorking Range (radius): 20mBattery: 4×AA batteries (not included)Battery Working Time: 4.5 hoursLaser Diode: 635nm