Specifications Power: 2 x 1.5V SR44 (silver oxide cell )button battery (included)Black Virgin Plastic Case per piece, then with a paper jacket
150mm digital caliper read vernier cacliper • Measuring range: 0-150 mm/ 0-6 in. Resolution: 0.01mm/ 0.0005 in. • Repeatability: 0.01mm/ 0.0005 in. Maximum measurement speed: 1m/s • Power: 2 x 1.5V SR44 (silver oxide cell )button battery (included) • Battery life: 1 year for continuous usage / 3 years under normal operation • Size: 250mm x 50mm x 6mm • Easy-to-read LCD in sturdy stainless steel body • Protective case and battery are included • Overall Length: 235mm (9 1/4") Made of high quality In the modern manufacturing process. Digital direct reading ,Clear and convenient . Main scalegroove dark carbon Fiber comosite chromium-plating .Footbox and main scale groove bulk heat treatment. . Metric system transformation, with automatic power outages.