ZMS Submersible Aquarium Heater with Intelligent LED Temperature Display and External Temperature Controller, Quartz Shell to Prevent Explosion, External and Internal Dual Temperature Control (300W)

Feature: 1) FULL Submersible heater, made of shock resistant and shatter proof Titanium Alloy tube for fresh or salt water. 2) Voltage AC 110-220V. Temperature can be adjusted between 20-34?, 68-93F. You can press the 'SET' key to shift degree unit between Celsius and Fahrenheit 3) On/Off indicator light for at-a-glance monitoring. Safety control protects against running dry 4) The heater will automatically turn off when water level dips too low 5) Aquarium heater with LED digital display, IP68. Control Accuracy: ±3°F 6) The length of cable is 1.5 m/5.9 in. Includes suction cups Note: For better experience and safety, please carefully read and follow the user manual. Don't bury the heater in sand or mud. Please don't plug in before the heater is well installed. If you want to clean the fish tank or take out the heater, please disconnect power and wait for 30 MINUTES to cool down. Package included: 1* Submersible Aquarium Heater 2* Suction Cups 1* Protect shell 1* User Manual