Bosch Zamo III 20m Digital Laser Measure Set with Measuring Tape, Spirit Level and Measuring Wheel Adaptors 0603672701 The Bosch Green Zamo III Set offers precise measurement up to 20m thanks to the latest laser technology. But that\'s not all - this set includes 3 nifty attachments - a measuring tape adaptor, a measuring wheel adaptor and a spirit level adaptor, giving you a truly all-in-one solution for measurements around the house! FUNCTIONS Area, volume calculation Continuous measurement Distance measurement Adaptable System Circumference measurement FEATURES Adaptable laser measure tool accurately measures distances up to 20 m New interface integrates tape, wheel and line adapters for a variety of uses Easy adaptor exchange thanks to \"quick-click\" interface For measuring distances, objects and areas as well as aligning objects on a wall Especially suitable for measuring freestanding objects and irregular surfaces Simple one-button control offers ease of use SPECIFICATION Laser Diode: 635 Nm Laser Class: 2 Measurement Range: 0.15 – 20.00 m Measurement Accuracy, Typical: ± 3.0 mm Measurement Time, Typical: 0.5 s Measurement Time, Max.: 4 s Battery: 2 x 1.5 V LR03 (AAA) Automatic Deactivation: 5 mins Weight: 0.085 kg