["Adjustable Signal Generator Sources Built-in Battery Pwm Pulse Sine Wave Current Voltage Analog Simulator\n\nDescription:\n brand new, high quality\nFeatures:\nPower supply voltage: USB 5V (can work continuously for 8 hours when the Built-in battery is fully charged)\nProduct function: PWM mode, pulse mode, signal source mode, sine mode\nPWM mode: voltage, frequency, duty cycle are adjustable frequency accuracy is up to 0.1%; voltage range: 1-24 V, frequency range: 1-150 KHZ, duty cycle range: 0-\nPulse mode: start delay for time T0: 0-60 S, high for time T1: 0-60 S, low for time T2: 0 -60 S, pulse number PN: 1-99999999, resolution: 0.001 S\nSignal source mode: adjustable voltage source 2-10 V, adjustable current source 4-20mA\nSine mode: 1-999999 HZ adjustable (triangular wave adjustable range is the same)\nSignal charging power: The maximum output current is 20mA (Note: this product is a signal source and not direct drive high power loads)\n\nSpecifications:\nItem Type:\nAmbient temperature: -10- + 70 ℃\nPower supply voltage: USB 5V\nProduct function: PWM mode, pulse mode, signal source mode, sine mode\nMaterial: ABS\nSize: approx.92x70x28mm / 3.62x2.76x1.10in\nColor: As Shown\nQuantity: 1 Pc\n\nNote:\nNo retail package.\nTransition: 1cm = 10mm = 0.39inch.\nPlease allow 0-1cm error due to manual measurement. Pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage Includes:\n1 x Adjustable Signal Generator.\n1 x charging USB cable\n1 x Banana for head connected to for crocodile clip 2P red and black cable\n (other accessories demo in the picture is not included.)"]