Heater Specification: Power:100W Voltage: 110V Tank Capacity: 5~25 gallon Adjustable temp range: 68?-93?(±1?) Wire 1: 67 in (from controller to heater) Wire 2: 47 in (from controller to plug) Package List: 1* 100W Aquarium Heater with Heater Protector 1* External Temp Controller 2* Suckers (for Heater) 2* Fixing Tools (for controller) 1* User Manual 1* Package Box Notes:1. For your safety and the best purchase experience, please carefully read and follow the instructions, and contact immediately if there is any issue. 2. The whole body of heater must be fully submerged under water during working, but not buried in sand or mud. 3. The controller must be NEVER placed in water. 4. Before installing heater, please cut off all the devices in the aquarium. 5. Unplug the heater and wait for AT LEAST 15 minutes to let it cool down before you remove it. 6. It’s better to install the heater near where the water flow is strong to make the entire aquarium in the same temp. 7. Please DO NOT use it if the wire or heater damaged.

Tank Size: This 100W aquarium heater is suitable for 5-25 gallon fish tank both freshwater and saltwater. With our this fish tank heater, you can create a comfortable and safe environment for your fish. High Quality: Our fish tank heater is made of thicker quartz, which is shatter-proof and blast-proof. The heater cover is compact designed, which is heat resistant that will protect you little fish from scalding. Smart Heating: With the built-in temperature sensor and constant temperature heating system, this fish heater will start to work when the water temp is lower than set temp(red indicator), and stop work until the water temp reaches set temp(blue indicator). It can always provide adequate and steady water temperature for your beloved fish. Dual Temp Displays: With dual accurate LED digital temp displays, you can read & set the water temp at the same time. It is very easy and convenient for you to recognize and observe the temp change in real time even in the night!. External Controller: Our fish tank heater is adjusted by an external controller, which you can mount on the outside edge of the tank. It’s convenient and safe to adjust temperature, no need to take the heater out from water and no risk of burning yourself.

Best Sellers Rank: See Top 100 in Pet Supplies. : B08HCZF7L7. Manufacturer: U-picks. Date First Available: September 5, 2020. Package Dimensions: 13.3 x 5 x 2 inches; 1.15 Pounds.