Yangers Fish Tank Submersible Aquarium Heater 100W, Mini Small Digital Temperature Display with in Line Controller Smart Auto Water Temperature Thermostat for 50 60L 100 Litre Tank UK Plug (50L-100L)

• Mini Tropical Aquarium: Waterproof heater for fresh and salt water, which provides a natural warm and comfortable living environment. 100 W suitable for 11-22 gallon aquarium (50-100 L).
• Durable material: made of high quality quartz glass, double sealed material and PC. It is explosion-proof, shatterproof, IP68 waterproof.
• Precise temperature control: LED temperature display and in-line controller for precise adjustment of tank water temperature. Adjustable temperature range 20-34 °C.
• Smart Thermostat Constant Temperature Control: The heater automatically stops as soon as the temperature reaches the preset value (blue indicator lights up), and starts automatically when the temperature is below the preset temperature (red indicator lights up).
• Auto-off protection when not completely in water. Over temperature protection. Please install the heater properly.

Technical data:  Product dimensions: 20 x 12.5 x 3.5 cm. Temperature range: 68-94 °F.  Frequently asked questions: Q1: Turn off the protection when the aquarium heater is not completely submerged. A1: Fully immerse your heater in the water. F2: Over temperature protection: when the water temperature exceeds 96°F or the heater is not near the outlet of the water circuit, the local temperature exceeds 96°F. A2: Mount the heater near the outlet of the water circuit and place it vertically or horizontally near the pump to dissipate the heat. F3: Over temperature protection due to sensor loss. A3: In this case, please contact our customer service.