Note: In order to lower the postage， we will pack in foam box instead of original box. If you need original box， please leave a message to us.

SUNSUN YRB-250 frequency variable 500W glass aquarium heater

Power-off memory function， power automatically restore the last set temperature.

Over-temperature protection system， when the water temperature exceeds 1 degree than setted temperature， the display shows E1 and the yellow-green light keep flashing and stop heating.

Automatic constant temperacture is lower than the setted temperature if will automatically heat. Cycle to maintain water temperature.

Adjustable temperature.

Accurate.

When the temperature reaches to the setted temperature range 1.5 degree， the power will automatically slow down and keep constant temperature. Insulation value of the provisional total power about 10% and play a role in automatically adjust power.

Model:YRB-250

Power:500W

Length:45cm

Temperature range:20-35 degree

For 100-300L aquarium tanks.