FNTSi DS215H 2-in-1 Oscilloscope & Signal Generator 50MHz Bandwidth | 250MS/s Sampling | Portable Design Key Features: Dual-Channel Precision: Independent, isolated channels eliminate cross-talk for accurate signal measurement (400V max input). High-Speed Performance: 250MS/s Real-Time Sampling | 50MHz Analog Bandwidth 3.5-inch IPS Display: Adjustable brightness with YT/XY/rolling modes for clear waveform visualisation. Built-In Signal Generator: Output 13 waveform types (sine, square, pulse, etc.) with adjustable frequency (050kHz), amplitude (0.13.0V), and duty cycle (0100%). Portable & User-Friendly: Compact design (6611019.5mm, 138g) powered by Type-C (5V/1A) or 1500mAh rechargeable battery. Advanced Tools: Auto-calibration | FFT spectrum analysis | Waveform storage/export Multi-language support (English, Japanese, Spanish, etc.) Technical Specifications: Oscilloscope: Channels: 2 (1M input impedance) Vertical Sensitivity: 10mV/div 10V/div Timebase Range: 20ns/div 20s/div Trigger Modes: Auto/Normal/Single (edge/pulse width) Probe Attenuation: 1x/10x Signal Generator: Waveforms: Sine, Square, Pulse, Ramp, etc. Frequency Range: 050kHz Output Voltage: 0.13.0V (DC-coupled) General: Screen: 3.5-inch IPS (1024600 resolution) Input Protection: 400V surge protection Compliance: CE/RoHS (if applicable) Package Included: Kit A: 1 x Oscilloscope 1 x Type-C Charging Cable 1 x Lanyard 1 x Alligator Clip Probe 1 x English Manual Kit B: 1 x Oscilloscope 1 x Type-C Charging Cable 1 x Lanyard 2 x Alligator Clip Probe 1 x English Manual Ideal For: Electronics Repair | Circuit Debugging | Educational Labs Hobbyists | Engineers | Industrial Testing Safety & Compliance: Avoid exceeding 400V input to prevent damage.