1Built-in high sensitivity sensor, fast measurement speed and high precision. 2With 3.7V lithium battery, the theoretical working time can reach 15 hours. 3The battery has short circuit, leakage, overload protection, and effectively protect the safety of the product. 4With a low battery reminder, no operation within 10 minutes can automatically shut down, do not worry about sudden power. 5Support three different units display: Lb, Kg, N, one-button switching, easy to operate.Feature:Built-in high sensitivity sensor, fast measurement speed and high precision. With 3.7V lithium battery, the theoretical working time can reach 15 hours. The battery has short circuit, leakage, overload protection, and effectively protect the safety of the product. With a low battery reminder, no operation within 10 minutes can automatically shut down, do not worry about sudden power. Support three different units display: Lb, Kg, N, one-button switching, easy to operate. Large LCD display, reading data is clearer and more convenient. Specification:Model: SF-500Plug type: US Plug; EU Plug(Optional)Measuring range: 500NLoad division value: 0.1N, 0.1KG, 0.1LbAccuracy: +-0.5%Sensor: sensor insideInput: AC 100-240VOutput: DC 5V 1000mARelative humidity: 15%~80% RHWorking environment: no corrosive aroundUnit display: Lb, Kg, NBattery: 3.7V lithium battery(include)Package list:1 * Digital Force Gauge1 * Power Adapter1 * Inspection Certificate1 * Instruction Manual1 * Certificate1 * Desiccant1 * Hook Assembly1 * Point Push Connector1 * Flat Push Connector1 * V Female Connector1 * V Male Connector