Item Type: Signal Generator_x000D_ Power Supply Voltage: USB 5V_x000D_ Product Function: PWM mode, pulse mode, signal source mode, sine wave mode_x000D_ PWM Mode: Voltage, frequency, duty cycle are adjustable, frequency accuracy of 0.1%; voltage range: 1-24v, frequency range: 1-150khz, duty cycle range: 0-100%_x000D_ Pulse Mode: Initial delay time t0: 0-60s, high level time t1: 0-60s, low level time t2: 0-60s, pulse number p-n: 1-99999999, resolution: 0.001 s_x000D_ Signal Source Mode: Voltage source 2-10V adjustable, current source 4-20mA adjustable_x000D_ Sine Wave Mode: 1-999999HZ adjustable (triangular wave adjustable range is the same)_x000D_ Signal Load Capacity: Output current maximum 20mA (Note: This product is output is a signal source, can not directly drive high-power load)_x000D_ Environment Temperature: -10 ~ +70_x000D_ Size(LxWxH): 92 x 70 x 28mm / 3.6 x 2.8 x 1.1in_x000D_ Built-in Battery: 3.7V polymer lithium battery, 1000mAH