Portable Hardness Tester|Leeb Hardness Tester|Large screen with dot matrix LCD:Features a 128×64 dot matrix LCD, providing clear and detailed information on all functions and parameters Wide measuring range:Measures hardness of all metallic materials with a broad range of HLD(170~960)HLD, ensuring versatility Multiple impact devices:Comes with seven impact devices, catering to special applications and enhancing precision Large memory capacity:Stores up to 500 groups of data, including single measured values and material identification Rechargeable battery with long-lasting life:Equipped with a 6V NI-MH rechargeable battery, offering a continuous working period of at least 150 hours, Manufacturer: SOYWIM