【Battery Powered Infrared Spirit Level】Powered by the battery (battery not included), it is very convenient to disassemble, and it can last a long time in normal times.With the aid of infrared light, the field of vision is clearer and the measurement results are more accurate. Measuring Layout Tools. 【High Accuracy Mini Spirit Level Tool】Laser level is suitable for any situation that requires a straight line or precise measurement, such as measuring the position on the wall, the space between hangers, horizontal nails, horizontal hanging pictures. Line Lasers. 【Infrared Spirit Level Tool with Ruler】Line lasers are equipped with an 8footlong ruler,adjusted standard and metric rulers,including imperial and metric linear rulers, to facilitate more types of measurements. 【Easy to Carry】Laser tape rulers was designed of small appearance, light weight and portability, it can be easily handheld for measurement, and it is also convenient to take to various places for measurement. Infrared Spirit Level Tool . 【Quality Service】Our products have been well tested, examined and packaged before sending off, but we cannot guarantee the items remain undamaged when delivered to you. Any problem please feel free to contact us first so that we can supply the best service for you.christmas presents for coworkers, Manufacturer: Zerodis