The FNIRSI DSO152 is a mini portable single-channel digital oscilloscope. Main specifications:

• Bandwidth: 200 kHz
• Real-time sampling: 2.5 MS/s
• Display: 2.8 inches, 320×240 LCD
• Vertical sensitivity: 10 mV/div to 20 V/div
• Time range: 10 s/div to 50 s/div (1-2-5 steps)
• Connections: AC/DC coupling
• Trigger functions: Auto/Normal/Single
• Attenuators: X1/X10 (X1 up to 40 V / 80 Vpp; X10 up to 400 V / 800 Vpp)
• Maximum voltage measurement capability: up to ±400 V (with suitable attenuator)
• Built-in battery: 1000 mAh Li-ion (≈4 hours duration)
• Charging: USB Type-C and firmware upgrade
• Calibration output: 1 kHz 50% pulse
• Probe connector: MCX
• Weight: ~100 g
• Dimensions: 99 × 68.3 × 19.5 mm

The package includes: DSO152 unit, attenuator, USB-C cable, user manual. Ideal for maintenance, education, and basic R&D projects where a compact, portable oscilloscope is required.