- This item is only suitable for fresh water.
- The heating rod must be completely submerged in water.
- When the light is on, it is working.
- Before cleaning the aquarium or the heating rod, please turn off the power for 15-20 minutes to cool the heating rod, or you will be burned.
- There are 200W and 300W black and white color, colors sent randomly.
- The temperature indicator scale can be adjusted between 20~34℃ (68~93°F).
Totally submersible, double waterproof insulation, durable and safe design.
Power indicator, ensures proper operation.