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Mini digital humidity controller, can set a high or a low humidity limit, when the humidity is beyond the compass of limits, it will humidification or dehumidification automatically. With humidity sensor, uses high precision capacitive chip, high accuracy and wide humidity measuring range. Wholesale ZFX-13001 Humidity Controller.

HM Digital introduces its new AquaPro series, a line of handheld EC meters with a sleek design that's perfect for today's modern kitchen. The AquaPro digital water testers are the next generation for today's tech-savvy and health-conscience consumer. Wholesale 2 in 1 AP-2 EC meter.

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