3-digit 0.56  Red LED 3.5-30V DC Voltage Meter w/ High and Low Voltage Flash + Buzzer Alarm - Black
3-digit 0.56 Red LED 3.5-30V DC Voltage Meter w/ High and Low Voltage Flash + Buzzer Alarm - Black

l18. The default is up to 30V low to 11V. The alarm value can be adjusted.cn/lk/QX8JJajkU26Tv. The alarm value specific adjusted method: Http://ajw7yupjhk.yunpan.Can make the voltage meter below or above a figure value to flicker and buzzer alarm

Инструкция 370.85

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