FMSRZX Frequency Conversion Aquarium Cooling Fan Mute Adjustable Marine Aquarium Cooler Practical Black Fish Tank Cooling Fan for Home

Color: Black. Size: As Shown. Package includes: 1pcAquarium Cooling Fan Chinese Standards Plug with Two Holes. Material: Plastic+Aluminum Alloy Sheet. Feature: Automatic, Adjustable. Feature: Automatic, Adjustable. Color: Black. Size: As Shown. Material: Plastic+Aluminum Alloy Sheet. Package includes: 1pcAquarium Cooling Fan Chinese Standards Plug with Two Holes. Style A: Input voltage DC12V power 3W. Style B: Input voltage DC12V power 4W. Voltage: 100-240V wide voltage. Temperature setting: rotate the knob, scale corresponding to the temperature for the set temperature, can be set 18~36 degrees. Function description: Power indicator light: power-on indicator light is always on. Work indicator light: fan work lights up, fan standby off. Three switch. Mode 1: the fan has been working normally open. Mode 2: turn off the fan power. Mode 3: run automatically according to the set temperature, when the water temperature reaches the set temperature fan starts to work, the red and green ligh