DONGKER Mini Aquarium Heater,20W Small Submersible Heater Proof Quartz Glass W/LED Digital Temperature Controller &Thermostat &Explosion-Proof for Under 5 L Marine Saltwater Freshwater

• High Quality :Using Quartz Explosion-proof Glass, Strong and Corrosion-resistant, Automatic Constant Temperature, Automatic Power Off When Over 36°C/96°F
• Built-in Temperature Sensor: the Water Temperature Can Be Accurately Displayed on the External Controller in Real Time, and the Temperature Adjustment Range Can Be Set Arbitrarily From 18°C ​​to 34°C (64°F to 93°F). When the Water Temperature Is Lower Than the Set Temperature, the Fish Tank Heater Will Automatically Start Heating Keep the Water Temperature Constant Until the Water Temperature Reaches the Set Temperature
• Automatic Constant Temperature:Using External Control Electronic Temperature Regulation, Intelligent Frequency Conversion Technology, High Heating Efficiency, 3-digit Display to Accurately Control Temperature, Adjustment Accuracy 0.5℃ / 1℉. The heater's working frequency will be changed according to temperature variation, and the heating is automatically stopped when the set temperature is reached.
• Super Mini Size: Compact design, take less space in the fish tank, easy to hide in the tank.10W Is Suitable for 1-3L/0.26-0.79 Gallons Fish Tank, Power 20W Is Suitable for 4-6L/1.06-1.59 Gallons Fish Tank; Power 30W Is Suitable for About 8L/2 Gallons Fish Tank
• Daily maintenance: The suction cups must be cleaned every month to prevent the heater from falling off and breaking because the suction force is weakened by stains.

welcome to my store , Hope you have a pleasant shopping trip! Features: 1.Note: When using, the heating rod must be fully submerged in the water, which is simple to use and easy to install. 2.Three-digit display for precise temperature control; automatic constant temperature over-temperature protection, safe heating; external temperature regulation 18°C~34°C (64°F~93°F); quartz explosion-proof 3.Use black sand to conduct heat, prolong the service life of the heating rod, ultra-short, small and small, occupy a small size of the fish tank, and do not affect the landscape in the tank. Suitable for: freshwater fish tank, seawater fish tank, aquarium, betta fish tank, micro tank, turtle tank, horned frog and other mini fish tank heating Specifications Size: The heating rod is about 5.5CM in length and 2CM in diameter Power: 20W Input voltage: 100V-240V 50/60Hz Plug Specifications: UK Plug Power cord length: about 1.3m Applicable fish tank water capacity: 20W-5L; Package List: 1X Aquarium Heater Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We the style is the same as shown in the pictures. 2. Please allow 1-2cm slight dimension difference due to different manual measurement.