Product Features: 1. Dual-channel PWM signal generator: Features dual outputs, adjustable duty cycle, and adjustable phase difference. 2. Dual-screen dynamic display: 4-digit green (frequency) + 3-digit white (duty cycle/phase) digital tubes, real-time synchronous display of parameters, 120Hz refresh rate. 3. Multiple safety features: Output short-circuit protection within 60 seconds, provided the voltage does not exceed 20V. 4. Intelligent human-computer interaction: Rotary encoder (with pushbutton) + four-function button (MOD/SYNC/SET/OUT), supporting multi-channel switching and synchronization mode. 5. Wide range of applications: Suitable for electronic laboratories, industrial automation, education and training, DIY, and other fields. Product Parameters: Output frequency: 1Hz-150kHz Duty cycle accuracy: 0-100%, 0.1% step adjustment Rise time: 20ns Phase adjustment: 0-360° (1° step, synchronization mode available) Output voltage: DC 5-24V, maximum output current 0.2A Display: 4-digit green + 3-digit white LEDs Power supply: External power supply (DC 5-24V) 1Hz-10kHz (accuracy: 0.2%) 10Hz-50kHz (accuracy: 0.4%) 50Hz-150kHz (accuracy: 2%) Color: Black Material: ABS Package Contents: Packaging Contents: Display meter *1 2P terminal *1 3P terminal *1 Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.