Avedia Digital Measuring Tape Measurement Distance 40 Meter Automatic Laser Level Line 3-in-1 Digital Measuring Tape Device Electronic Distance Meter Tool Machine Magnetic Engineer's Precision Level  (8.5 cm)

3 in 1 Digital Tape Measure: Combines a 131ft/40m Laser measure, 16ft/5m tape measure, and 32ft/10m 90° Cross Line measure into one lightweight, easily carried device. Features an LED screen to read ranging numbers and stores up to 20 measurements. Convenient Operation: Press 'MEAS' to turn on the digital measuring tape, and press again to start measurement. For continuous measurement, long press 'MEAS' for about two seconds. Easily switch between M/In/Ft units with the 'Unit' button. Superior Design: The measuring devices come with an automatically locked tape after it's pulled out and a grey button for auto rebound. The non-slip ABS+TPR shell ensures a steady grip during use. Advanced Laser Level Line Tool: The laser level machine provides a 32ft/10m 90° Cross Line measure, aiding in precise measurements. Ideal for area measurement, volume measurement, and Pythagorean calculations. Portable and Energy Efficient: Weighing just 260g, this laser measuring device is lightweight and easy to carry with a wrist strap and belt clip. It also features an auto-off function to conserve energy.