Potentiometer Frequency Meter 4-Digit LED Digital Display Adjustable Resistor PLC Frequency Converter 1K/5K/10K Resistance Value

Battery Included：No High-concerned chemical：None Voltage range：Other Origin：Mainland China Brand Name：FARAJIAJ DIY Supplies：Electrical

Battery Included: No High-concerned chemical: None Voltage range: Other Origin: Mainland China Brand Name: FARAJIAJ DIY Supplies: Electrical