This aquarium heater can ensure the output of heat and keep the water temperature inside the tank steady. It can automatically adjust the temperature so that it's good for fish in the aquarium.

Features:
Fully submersible heaters work in any position (horizontal or vertical) to provide optimum aquarium water temperature.
Safe and reliable in both fresh and salt water aquariums.
Sensitive and reliable thermostat maintains uniform temperature.
Temperature range can be adjusted between 18~32℃(64~90°F).
Totally submersible， waterproof double insulation， durable and safe design.
Power indicator， ensures safe operation.
Includes two suction cups for easy mounting.
Can automatically adjust the temperature， good for fish in the aquarium.

Specifications:
Material: Glass  
Wattage: 300W 
Voltage: AC 220-240V 
Frequency: 50/60Hz
Temperature Range: 18~32℃ / 64~90°F
Item Length: 30cm / 11.8in
Item Weight: 165g / 5.83oz
Cable Length: Approx. 85cm / 33.5in 
Package Size: 40 * 8 * 4cm / 15.75 * 3.15 * 1.57in (L * W * H)
Package Weight: 236g / 8.32oz

Note:
1. The heating rod must be totally immerged into water and no exposure is allowed.
2. When the indicator light is on， it is working.
3. Before cleaning the aquarium or heater， please turn off the power for 15-20 minutes to cool off the heater， or you will be burned.

Package List:
1 * Aquarium Heater