H2/H3 LED digital display :

● The digits on the display screen will flash for 3s just after powering on, and the current temperature set is displayed.

● Temperature setting; After pressing slightly the button on the line, the display screen will flash and enter the setting mode. Then the user can press the button to set the temperature (temperature range: 20-34 C (68-94'F)) needed and then release the button. After 5s, the temperature set will be saved automatically and the real-time water temperature in the fish tank will be displayed. When the heating rod detects that the water temperature is higher than the temperature set, the heating rod will stop working; when it is 2'C (4)F) lower than the temperature set, the red indicator will be on, the heating rod starts to heat the water and stop heating when it reaches the temperature set.

● H2/H3 LED digital display series and H3 have the over-temperature protection and water shortage protection function, respectively. When the water temperature is over 35 C (98 F), the heating rod stops the work and the display screen blink E2. When the water temperature is below 34 C (94"F), the fault disappear and it shows normal.For H3, when the water level is lower the top detector of the heating rod, the heating rod shows E1 and flashes to alarm. After the rod is fully submerged, the fault disappears and it shows normal.

● The product is equipped with a precise temperature probe, so temperature can be displayed precisely (+ 1'C(2°F)). When the external temperature used is more precise, the user should verify whether the meter is accurate and can choose diversified measurement.

H2 automatic thermostat Instruction:

● Please select appropriate type Before use, please completely immerse the heater in water for 10 minutes, and keep the circular flow of the water. Adapt to the temperature of the water in the tank. Place the heater into the water as per the graphical representation. When the temperature of the water is lower than 23°C w3*F the heater will heat, when the temperature of the water is higher than 28°C (82°F) heating will stop. Adjustment is not required.

● The temperature will be automatically kept within the scope of 25-28°C (77-82"F). Over-temperature protection range is 32-34*C/90-93 F

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FAQ
Q: Are you a trading company or a factory?
A: We are a factory and can provide OEM and ODM services.

Q: Can you design the LOGO packaging and labels of the product? 
A: Yes. We have customized service.

Q: What is your MOQ?
A: Usually 500 pcs,  300 pcs is acceptable for the first trial order.

Q: Can we have a sample for testing? 
A: No problem, can order online directly.

Q: Can your products meet our standards?
Answer: What standards is required? Our products have passed TUVUSCEROHS, CE, Rhos,etc. Multi-national certification

Q: How long is your lead time?
A:stock type can be sent out within 24 hours. Customized products: 10-15 days for samples: 30-35 days for bulk products.

Q: How to ensure the quality of your products?
A: We have a complete management system and passed the IS09001:2015 quality management system certification.We have an independent quality inspection department, and our products pass 100% inspection before leaving the factory.

Q: What is the payment method?
A: Small quantity can order online,  50% deposit, and 50% balance be paid before shipping.