**Product Description: Efficient and Portable Square Digital Display LED Indicator Light** - **Extensive Voltage Range** Designed to operate across a wide voltage range of 100~380V, this LED indicator light is suitable for a variety of circuits, offering versatility and adaptability to different electrical setups. - **Accurate Frequency Measurement** With a frequency measuring range of 20~75Hz, this meter provides precise and error-free frequency readings, ensuring reliable performance for all your measurement needs. - **Easy-to-Read Digital Display** Equipped with a clear digital display, this indicator light makes it easy to read frequency measurements at a glance, enhancing accuracy and user convenience. - **Compact and Lightweight Design** Its compact size and lightweight build make this indicator light easy to carry and install, perfect for applications where space is limited or portability is required. Enhance your circuit monitoring capabilities with our Square Digital Display LED Indicator Light, blending precision, clarity, and portability for superior performance in a wide range of applications.