Feature: Built-in high sensitivity sensor, fast measurement speed and high . With 3.7V lithium battery, the theoretical working time can reach 15 hours. The battery has short circuit, leakage, overload , and effectively the safety of the product. With a low battery reminder, no 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-100 Measuring range: 100N Load division value: 0.01N, 0.01KG, 0.01Lb Accuracy: +-0.5% Sensor: sensor inside Input: AC 100-240V Output: DC 5V 1000mA Relative humidity: 15%~80% RH Working environment: no corrosive around Unit display: Lb, Kg, N Battery: 3.7V lithium battery(include) Package list: 1 * Digital Force Gauge 1 * Power Adapter 1 * Inspection Certificate 1 * Instruction Manual 1 * Certificate 1 * Desiccant 1 * Hook Assembly 1 * Point Push Connector 1 * Flat Push Connector 1 * V Female Connector 1 * V Male Connector 1 * Extended Rod 1 * Screw (Bag) Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product.