[Precise temperature control]: LED digital display, large-screen LED temperature display, aquarium heating rod, easy to read the temperature. The external controller allows safe adjustment of the temperature outside. Adjustable temperature range from 18 to 34C (64.4 to 94F). [Thicker explosion-proof quartz glass]: Using stable and reliable high-quality materials, 30% thicker than normal aquarium heaters, explosion-proof and prevent electricity leakage. The protective cover made of high temperature resistant material will not soften at high temperature, it can prevent your beloved fish from puncturing and scalding. [Unique safety protection design]: The thermostatic aquarium heater adopts 3 sensors for better protection, when the water temperature is higher than the set temperature, the heater will automatically stop heating. When the water temperature is lower than the set temperature, the heater will automatically start heating. Step heating, the temperature increases gradually, which can prevent the temperature from changing too quickly [Easy to install]: The fish tank heater protective case has a strong suction cup, easy to attach the heater to the tank firmly. The extended power cord can solve the problem that the aquarium is too far from the outlet. Features: Power: 100W Temperature range: 18-34C (64.4-94F). Voltage: AC220V-240V Heater size: 16.5-32.5cm Suitable for Fish Tank: 50L / 80L / 150L / 250L / 350L Power Cord Length: 1.2m (3.9ft) Heater Rod Power Required = (Fish Tank Length X Fish Tank Width X Net Water Level Height) 1000 2 Notes IMPORTANT: 1.Please place the aquarium heater near strong water flow, so that the whole aquarium is at the same temperature. 2. The temperature controller cannot be placed in a place subject to vibration, humidity or high temperatures. 3. Please make sure the aquarium heater is completely submerged in water before connecting the power supply. 4. Please be sure to unplug the power plug when you need to remove the heater and wait for 15 minutes cooling time until the temperature drops back to normal. 5. To avoid inaccurate heating, the heating rod cannot be inserted into the sand. Note: Due to the light and screen setting difference, the product's color may be slightly different from the original picture. the image. As manual measurement is different, please allow slight differences in size. Shipping Quantity: 1 piece