Features: 3 in 1: It is not only a digital oscilloscope, but also a transistor tester and a function signal generator, with one button to adjust fast to meet all needs of measurements. Careful Details: The tester has a 2.8-inch-TFT color display and LED backlight, allowing you to read clearly in strong light Compact and Easy to Carry: Compact body, simple shape, easy to take and use, built-in invisibles support, stable placement and support, not occupying space, meet your daily needs of every palm measurement. Intelligent anti-burning: This 3 in 1 oscilloscope is equipped with an intelligent anti-burning function, which will not burn the meter when overloaded, making power measurement safer. This multifunctional meter can be used for many occasion: Suitable for DIY Learning, on-site commissioning, appliance repair, power measurement Notice Actual color may be slightly different from the image due to different light effect Please allow 1-3cm deviation due to manual measurement Description: Screen: 2.8-inch TFT-color screen Backlight: adjustable brightness Charging: type-c 5V/1A Battery capacity: 1500 mAh Package List: 1x 3 In 1 Handheld Oscilloscope