Digital tread depth gauge. A gauge necessary for vulcanization, in a car service, needed for every automobile. Specifications: Measurement range: 0-26mm Accuracy: 0.01mm Units: inch/mm Power supply: LR44 1.5V battery (included) Instructions in Czech language Overall dimensions: 60 x 113 x 13 mm SAFETY INSTRUCTIONS/WARNINGS: Batteries not intended for recharging must not be recharged Batteries and accumulators should be removed from the device before charging Depleted batteries should be immediately removed and recycled or disposed of in accordance with national or local regulations and directives Power terminals must not be short-circuited Only batteries of the same or equivalent type as recommended should be used Batteries should be inserted according to the correct polarity Installation, battery replacement, and charging of accumulators should be performed by an adult Batteries must not be thrown into fire - risk of leakage/explosion Keep out of reach of children and animals Do not pry batteries with other objects, as they may be damaged and become hazardous The product has a sharp metal tip, it must not be inserted into the nose or other parts of the body - risk of injury or damage to the product