Durable Material: Made of high quality material, durable and practical High Performance: Working voltage:3.3~30V; Frequency range:1Hz~150KHz; Frequency accuracy:accuracy is about 2% in each range; Signal load capability:output current can be around 5~30ma Excellent Workmanship: Generate adjustable pulse for MCU use; pulses to control related circuits (PWM dimming and speed regulation applications) Useful: Used as a square wave signal generator to generate square wave signals for experimental development, used to generate square wave signals that control motor drives Size: 7.8x4.2x2.6cm/3.07x1.65x1.02inch