Feature:1. LCD DISPLAY: The digital dynamometer has a large and easy to read LCD display and simple button operation, which makes reading data clearer. The ergonomic metal shell is durable and wear resistant.2. SENSITIVE SENSOR: Built in high sensitivity sensor, fast measurement speed, high accuracy, capacity from 2.2 ounces to 110bs, number and button selectable LB, kg and N units, single button switching, easy to operate.3. SCREEN DISPLAY: When measuring, the measurement unit and tension or compression sign are displayed. The battery sign indicates that the NI MH battery is low. If an overload occurs, the display will flash to warn you.4. POWER SUPPLY: Using 3.7V lithium battery, theoretical working time can up to 15 hours, the battery has short circuit, leakage, overload protection, and effectively protects the safety of the product.5. AUTOMATIC SHUTDOWN: Through the low battery reminder, the operation cannot be automatically shut down within 10 minutes, so don't worry about sudden power failure. Small size and lightweight, easy to carry and use.Specification:Item Type: Force GaugeMaterial: PlasticModel: RuoShui 500NMaximum Load Value: 500N, 50kg, 110LbResolution: 0.1N, 0.01KG, 0.01LbAccuracy 0.5%Gravity Acceleration Setting: (Default Value 9.800)Backlight: Zero Function: Peak Hold: Alarm for Upper Lower Value: Low Battery Indicator: Auto Off: 10 Minutes of IdleWorking Conditions: No Focus Around, No CorrosivenessPower Supply: 3.7V Rechargeable Lithium Battery, 850mAh (Built In Battery)Charging Time: 4-6 HoursBattery Life: 300 TimesInput: AC100-240V 50-60HzOutput: DC 5V 1000mA.Package List:1 x Digital Force Meter1 x Adapter6 x Accessory1 Pack x Mounting Screw1 x ManualNote:Please read the instructions carefully before use, and strictly abide by the safety rules and cautions, cautions and warnings listed in the instructions.