Feature: 1. PORTABLE OSCILLOSCOPE: The compact size allows her to carry it around, making it small and practical. Only palm sized, ultra thin and lightweight body, eliminating the problem of heavy and difficult to carry equipment! 2. EASY TO USE: Your portable helper is suitable for various scenes, lightweight and space saving. The oscilloscope can be carried with you for work, maintenance, and DIY's tool (ultra long range). The built in large capacity lithium battery power supply allows you to work outdoors without being limited by the venue. 3. CONVENIENT OPERATION: Capacitive touch screen gesture operation and cursor measurement function. When manually reading amplitude and frequency parameters, there is no need to read background proportion units and data, and peak and frequency can be directly obtained without conversion. 4. ABS MATERIAL: Made of premium ABS material, this oscilloscope is strong and sturdy, wear resistant and scratch resistant, withstanding different scenes. 5. WIDE APPLICATION: Oscilloscope is suitable for electricity measurement, DIY learning, automotive maintenance, etc. Specification: Item Type: Digital Oscilloscope Material: ABS Sampling Rate: 2.5MS/s Coupling Method: AC DC Bandwidth: 200K Display: 2.8 inches PPl: 320 x 240 Vertical Sensitivity: 10mV, Div-20V, Div (in steps of 1-2-5) Time Base Range: 10us, Div-50s, Div (in increments of 1-2-5) USB Charging: 5V 1A Voltage Range: x1: ± 40V (Vpp: 80V), x10: ± 400V (Vpp: 800V) Calibration Square Wave Frequency: 1K; Duty Cycle: 50% Trigger Method: Automatic, regular, single time Weight: Approx. 100 g / 3.5 oz Remarks: (shipped with built in battery) Battery Model: Lithium battery 403759 Battery Capacity, Energy: 1000mah 3.7wh. Package List: 1 x Digital Oscilloscope1 x Hanging Rope 1 x Type C Data Cable 1 x Ordinary Probe 1 x Manual