Tacklife Advanced Laser Measure 196 Ft Digital Laser Tap Measures with Mute Function Laser Measuring Device with Pythagorean Mode, Measure Distance, Area and Volume Black&Red ?HIGH ACCURACY - With laser precision technology, accuracy ups to 1/16inch, measuring distance extends to 196 feet; Switchable among M/In/Ft for free adjustment ?LCD ACKLIGHT AND MUTE SETTING - Large backlight screen provides you with a better visibility in dark areas; Mute setting allows you turn on or off the measure beep at your will, suitable for using in library, classroom and other quite places ?MULTIPLE MEASUREMENT FEATURES - Area, distance, length, volume, continuous measurement, Pythagorean method-three points; Addition and subtraction; Low battery indication; 20 groups data memory; Auto shut down after 150s without any operation to save power ?DURABILE AND HANDY - IP54 waterproof level and dust-proof function protect the laser distance measure to the maximum extent; Portable size and hard rubber body provide a good grip; Wrist strap lets you hold the meter steady and carry easily ?WHAT YOU GET - Tacklife Laser Measuring Device 196Ft; 1.5V AAA Batteries; User Manual; Belt Clip; Hand Strap; Package Box; 24 Months Warranty(Ideal halloween gifts and christmas gifts for family and friends) Measuring accuracy: 0.005 feet Measuring units: M/in/ft Historical memory: 20 Laser class: Class 2 Auto laser off: 30 seconds Auto power off: 180 seconds