Feature:1. 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 pictures2. Equipped with an 8footlong ruler, including imperial and metric linear rulers, to facilitate more types of measurements.3. Powered by the battery (battery not included), it is very convenient to disassemble, and it can last a long time in normal times.4. 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.5. With the aid of infrared light, the field of vision is clearer and the measurement results are more accurate.Specification:Item Type: Level Measuring InstrumentMaterial: ABSBattery: 3xAAA Battery (Battery Not Included)Length Of Tape Measure: 8 Feet/250cmSize: Approx. 17x6.2x2.7cm / 6.7x2.4x1.1inWeight: Approx. 170g / 6oz.Package List:1 x Measuring Instrument (Bbattery Not Included)Note:1. Do not direct the light of this product to your eyes.2. Misuse of this equipment may cause permanent eye damage.