Feature: 1. Stainless steel heating rod, suitable for fresh water heating. 2. Automatic control, adjustable range 16-32°C, step heating. 3. Temperature display is beautiful and clear, fast heating. 4. The heating rod have built-in temperature sensor, when the temperature is below the setting, the heating rod will start automatically to heat the tank. When the temperature is above the setting, the heating rod will turn off automatically. 5. Big suction cup fixed, safe and stable, not easy to slide. 6. When the red light is on, it is heating up, lamp off is heat preservation. Specification: Condition: 100% Brand New Item Type: Aquarium Heating Rod Material: Stainless Steel Color: As Pictures Shown Plug: CN Plug Voltage: 220-240V Adjustable Temperature Range: 16-32°COptional Power: 50W, 100W, 200W, 300W, 500W v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} x\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} Power Suitable Aquarium(cm/inch) Water Capacity 50W 20x30/7.87x11.81 Below 50L 100W 40x60/15.75x23.62 50-100L 200W 60x80/23.62x31.50 100-200L 300W 80x100/31.50x39.37 150-300L 500W 130x150/51.18-59.06 250-500L Package List: 1 x Aquarium Heating Rod2 x Suction Cup Note: Note: please do not lay flat, do not be too close to the bottom sand, mud, or not very good heat dissipation. Stainless steel heating rod can only be put into fresh water, not into alkaline water (seawater, salt water).