Feature: 1. 0-24mA 0-12V output signal, 0.05% precision; 0-24mA -4V-30V input signal, 0.10% precision. 2. All purpose signal output: current, voltage, millivolt, frequency, resistance, thermal resistance, and kinds of thermocouple signals. 3. Real time display input and output curve for quick and convenient analysis. 4. 2.4 inch 320 * 240 resolution TFT display with bright colors and high contrast. 5. Super compact and lightweight, equipped with storage bag, easy to carry around. 6. Made of premium quality material with exquisite workmanship, High quality, long lifespan. 7. Built-in 2 * 1800mAh rechargeable batteries, long working time, get rid of cable annoyance. Specification: Features: 0-24mA 0-12V output signal, 0.05% precision; 0-24mA -4V-30V input signal, 0.10% precision. All purpose signal output: current, voltage, millivolt, frequency, resistance, thermal resistance, and kinds of thermocouple signals. Real time display input and output curve for quick and convenient analysis. 2.4 inch 320 * 240 resolution TFT display with bright colors and high contrast. Super compact and lightweight, equipped with storage bag, easy to carry around. Made of premium quality material with exquisite workmanship, High quality, long lifespan. Built-in 2 * 1800mAh rechargeable batteries, long working time, get rid of cable annoyance. Specifications: Material: Plastic + Tempered Glass Color: Yellow Screen: 2.4" TFT Screen Resolution: 320 * 240 Output Signal: Current: 0-24mA, Precision: 0.05%, Resolution: 0.001mA Voltage: 0-12V, Precision: 0.05%, Resolution: 0.001V Passive Current: 0-24mA, Precision: 0.05%, Resolution: 0.001mA Input Signal: Current: 0-24mA, Precision: 0.10%, Resolution: 0.01mA Voltage: -4V-30V, Precision: 0.10%, Resolution: 0.001V Working Temperature: 0-50℃ Built-in Battery: 2 * 3.7V 1800mAh Lithium Batteries Item Size: 92 * 70 * 32mm / 3.6 * 2.8 * 1.3in Item Weight: 500g / 1.1lb Package Size: 15.5 * 12.5 * 7.5cm / 6.1 * 4.9 * 3.0in Package Weight: 1200g / 2.6lb Package List: 1 * Signal Generator Set Package List: 1 * Signal Generator Set