110V 300W 300-Watt Submersible Aquarium Fish Tank Water Heater with Built-In Thermostat
Attentions:1. Before using the heating ripper heater,you need to set the temperature first2. During heating the water,you can not take out the item directly, or it will danged the heater3. The heater only can be used in the aquaric box4. Please cut off the power when changing water or place and operate 10 minutes later5. Please do not use in the water if the wire or glass tube was damaged6. With built-in temperature sensors, similar to air conditioning. It may has a little induction error. So there will be a short rest during heating. We recommend you to use the thermometer for adjusting the corresponding temperature simultaneously7. Too much pressure on the bottom of the cylinder, the heating rod should not be used as lying on the bottom