Feature: 🐠50W Betta Aquarium Heater: Creating and maintaining a perfect and comfortable water temperature for our cute fish is not easy, which requires a lot of effort. Now MINI 50W Aquarium Heater can help you make this easier. Precise and constant temperature, no need to set, keep the temperature of fish habitat in the best state at all times. You will find it very easy and happy to take care of pet fish！ 🐠Precise And Constant Temperature: No need to set, Fish Tank Heater will automatically keep the water temperature of the fish habitat at 78℉. This temperature is very suitable for betta and most tropical fish. When the water temperature is lower than 78℉, the heater starts to heat and the red light is on. When the temperature reaches 78℉, the heater stops heating and the green light is on. will always maintain this comfortable temperature for your beloved fish! 🐠The Smallest 50W Betta Heater: For most fish lovers who have small fish tanks of 6 to 10 gallons, a small heater means more space for fish. This is the smallest 50W aquarium heater on the market, only 0.2 inches. No matter how small your fish tank is, it can be used perfectly in it, and you can't even find it. Very MINI!! 🐠Safe And Durable: Unlike traditional plastic seals, uses a rubber sealing layer, which ensures that has better sealing and safety performance, and will never leak electricity or water. Quartz glass material, explosion-proof and crack-proof, more sturdy and durable, without worrying about damage. 🐠One Year Warranty & Satisfaction Guarantee: This heater is ideal for 6 to 10 gallon small glass or acrylic desktop aquariums. When in use, it needs to be submerged 100% in water. We provide one year warranty and 24 hours professional customer service. Buy With Confidence! Specification: Color: Black Age Range (Description): Adult Outer Material: Plastic Product Care Instructions: Wipe Clean Power Source: Corded Electric Item Length: 4.9 Inches Upper Temperature Rating: 78 Degrees Fahrenheit Reusability: Reusable 🐠50W Betta Aquarium Heater: Creating and maintaining a perfect and comfortable water temperature for our cute fish is not easy, which requires a lot of effort. Now MINI 50W Aquarium Heater can help you make this easier. Precise and constant temperature, no need to set, keep the temperature of fish habitat in the best state at all times. You will find it very easy and happy to take care of pet fish！ 🐠Precise And Constant Temperature: No need to set, Fish Tank Heater will automatically keep the water temperature of the fish habitat at 78℉. This temperature is very suitable for betta and most tropical fish. When the water temperature is lower than 78℉, the heater starts to heat and the red light is on. When the temperature reaches 78℉, the heater stops heating and the green light is on. will always maintain this comfortable temperature for your beloved fish! 🐠The Smallest 50W Betta Heater: For most fish lovers who have small fish tanks of 6 to 10 gallons, a small heater means more space for fish. This is the smallest 50W aquarium heater on the market, only 0.2 inches. No matter how small your fish tank is, it can be used perfectly in it, and you can't even find it. Very MINI!! 🐠Safe And Durable: Unlike traditional plastic seals, uses a rubber sealing layer, which ensures that has better sealing and safety performance, and will never leak electricity or water. Quartz glass material, explosion-proof and crack-proof, more sturdy and durable, without worrying about damage. 🐠One Year Warranty & Satisfaction Guarantee: This heater is ideal for 6 to 10 gallon small glass or acrylic desktop aquariums. When in use, it needs to be submerged 100% in water. We provide one year warranty and 24 hours professional customer service. Buy With Confidence!