“This heating rod ensures heat production and keeps the water temperature in the tank fixed. It automatically adjusts the temperature, which is good for the fish in the aquarium. Feature: It guarantees heat generation and keeps the water temperature in the tank stable. The temperature scale can be adjusted between 20~34°C (68~93°F). Double insulation, fully immersive and waterproof, durable and safe design. Work to ensure safe operation. The temperature can be adjusted automatically, which is good for the fish in the aquarium. Specification: Color: Black Material: Glass plug: MP3 shuffle Power: 25W / 100W / 200W / 300W (optional) Voltage: 220-240V Frequency: 50 / 60HZ Temperature range: 20 ~ 34 °C / 68 ~ 93 °F Point length: 25 watts: 20.5 cm / 8 inches 100W: 25.5 cm / 10 inches 200 W: 29 cm / 11.43 inches 300 watts: 29 cm / 11.43 inches Cable length: approx. 85cm / 33.5in Package Size: 300W: 36.5 x 7 x 4cm / 14.4 x 2.76 x 1.57inch (L x W x H) Package Weight: 170g~230g / 6oz~8.1oz Note: 1. This item is only suitable for fresh water. 2. The heating rod should be completely immersed in water and should not be exposed. 3. When the light is on, it can work. 4. Before cleaning the aquarium or heating rod, please turn off the power for 15-20 minutes and cool down the heating rod, otherwise it will be burned. Package List: 1 x Rod Heater»