High Quality---Stainless steel heating rod, high strength, explosion-proof, anti-collision, durable.With strong rubber suction cup, strong suction, fix firmly, hard to fall off. Safe---Silver plated contacts, automatic power off over temperature.Nickel-chromium electric heating wire, heat accumulation quickly, more stable.Double seal head, safe, waterproof. Intelligent Thermostat---Lasting constant temperature, keep at set temperature. Mechanical adjustment knob, 18-34 degrees wide range of high precision, meet the needs of different environments. Note---When the heating rod is working, it is recommended to install a water circulation system to achieve a better balance of the fish tank temperature.Do not use the heating rod in the sand, so as not to affect the temperature control. With Indicator Light---With top working indicator light, clearly show the heating state. Suitable for 20-45 gallon freshwater, marine and tropical aquariums. Product Details Item Weight 7.78 ounces Package Dimensions 8 x 3 x 1.9 inches
