Features: 1. 2-in-1 function: the product built-in oscilloscope and signal generator function, the product is compact and cost-effective. 2. HD LCD screen: 2.8-inch high-definition display, resolution 320 × 240. 3. Long-lasting battery life: built-in 1000mAH rechargeable lithium battery, equipped with an automatic shutdown function, both to achieve long life, but also to extend battery life. 4. One-key automatic mode: waveforms can be displayed immediately without complex adjustments. 5. Wide range of applications: ideal for advanced maintenance, development and DIY learning.