Features: <br> <br>Wide working voltage range from 100~380V that can be used in many kinds of circuits. <br>The frequency measuring range is 20~75hz. <br>The meter can measuring the frequency accurately without error. <br>Digital display makes the frequency more clear to read. <br>Compact designed for small size and light weight and also makes it can be carried easily. <br> <br>Specification: <br>Color:White/Red/Yellow/Blue/Green(Optional) <br>Working Voltage:100~380VAC <br>Frequency Measuring Range:20~75Hz <br> <br>Package List: <br>1 x Indicator <br> <br> <br> <br>Note: <br>Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.<br>1、Wide working voltage range from 100~380V that can be used in many kinds of circuits. <br>2、The frequency measuring range is 20~75hz. <br>3、The meter can measuring the frequency accurately without error. <br>4、Digital display makes the frequency more clear to read. <br>5、Compact designed for small size and light weight and also makes it can be carried easily.