Features: High-precision measurement: The DS215H offers high-precision with a sampling rate of up to 250MS/s and a 50MHz analog bandwidth, ensuring accurate-measurements for various applications. Wide voltage protection: Supports peaks voltage measurements up to 400V, offering reliable and safe performance in high-voltage scenarios. Waveform storage: The device supports screenshots saving and viewing, making data analysis more convenient and efficient. Signal generator functionality: It features 13 waveform outputs with a frequency range of 0-50 KHz, adjustable by a 1Hz step. The output parameters, including frequency, amplitude, and duty cycle, are fully adjustable to meet various needs. Long battery life: Powered by a 1500mAh rechargeable lithiums battery, it supports up to 4 hours of continuous operation, ensuring long-lasting performance for on-the-go use. Display:3.5-inch-IPS high-definition color screen Power supply:TYPE-C(5V/1A) Battery:1500mAh Product size:about 66x110x19.5mm Parameter 1 Channel: Dual Channel Bandwidth: 50 MHz Real-time sampling rate: 250MSa/s Storage space: 14M Time base range: 20ns/divs - 20s/divs Vertical sensitivity: 10mV/divs - 10V/divs Waveform display mode: Scroll Vertical resolution: 8 bits Probe attenuation factor: 1 x / 10 x Input coupling: AC-DC Trigger-type: Rising edge / Falling edge Peak-voltage: 400V Trigger-level range: 8 grid (positive and negative) Trigger-mode: Auto / Normal / Single Parameter 2 Output waveform: Supports multiple waveform outputs Waveform frequency: 0-50 KHz Square-wave duty cycle: 0-100% Waveform amplitude: 0.1V - 3.0V Package: Host device *1 P6100 high vltage probe *1 Alligator-clip probe *1 Charging cable *1 NO.2(Hight) Host device *1 P6100 high vltage probe *2 Alligator-clip probe *1 Charging cable *1