SINOTIMER N-72HZ AC Frequency Signal Indicator Square Turntable LED Digital Frequency Meter, N-72HZ tissue flotation water bath is invented by Manufacturer of Hand Held Vacuum

Manufacturer of Hand Held Vacuum Pressure Pump W/Meter

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With its thorough distillation process

Controls: On/off switch

SINOTIMER N-72HZ AC Frequency Signal Indicator Square Turntable LED Digital Frequency Meter, N-72HZ tissue flotation water bath is invented by Manufacturer of Hand Held Vacuum1. Built in screw wiring, safe and convenient to use, sturdy and stable structure, suitable for long time work 2. Can be used in electrical power, telecommunications, machine tools, shipping, textiles, printing, mining machinery and other industries signal indication, alarm signals, accident signals, etc 3. Professional and practical design, beautiful appearance, easy to carry and use 4. Made of plastic surface, durable and wear resistant 5. No signal