MESTEK S6 Multifunction Distance Meter Laser Measure Meter 50m/164ft Digital Screen Portable Area Volume Measure Tool ?Real-time angle measurement, one-key to measure the object angle and height ?Using high-quality PC material diffused curved lens, brings accurate measurement, fast speed, low power consumption and long service life ?0.5s fast measurement, mainly adopting filtering algorithm and spectroscopic lens technology measurement, the speed is improved, making measurement easy and convenient ?The large display screen is brighter, clearer, less granular, and has a high color pixel grain structure ?20 groups of data records, more convenient for viewing and memory ?With the mute key setting, you can turn on and off the sound at any time ?Suitable for using this function in quiet places such as classrooms and libraries ?8 measurement modes to meet daily measurement needs and make measurement easy and convenient ?Specification: ?Maximum measuring range: 50m ?Measurement accuracy: ?��2mm ?Measurement unit: m/ft/in/ft+in ?Laser grade: class 2 ?Area and volume measurement: support ?Indirect Pythagorean Theorem: support ?Addition and subtraction: support ?Continuous measurement: support ?Min/Max: support ?Beep: support ?4-line backlit display: support ?Single-time height measurement: support ?Historical memory: 20 groups ?Button: soft rubber button ?Working temperature: 0??C-60??C ?Battery type: AAA 2x1.5V (not included) ?Auto laser off time: 30 seconds ?Auto instrument off time: 180 seconds ?Size: 115*50*28mm ?Weight: 120g Package included: ?1 x S6 Distance Meter ?1 x Portable Lanyard ?1 x Cloth Bag ?1 x Chinese Manual ?1 x Qualification Certificate ?1 x Packing Box ?Other things not included