Uses DC12V , safe and reliable.
Strong wind, can cool down 2 to 4 degrees depending on the weather and indoor temperature.
180° rotation, easy to install and move.
The coil away from the aquarium water will not cause a short circuit hazard.
Strong wind, according to the weather and the indoor temperature is different, be cool 2 to 4 degrees.
ABS all-plastic package design, energy saving and electricity saving, noise cancellation processing for quiet operation.
Specifications:
Voltage: 12V
AC voltage: 220V
cord length: 150cm
Clipable glass thickness: 1.5cm
Style: 2 Fans / 4 Fans (Optional)
2 fans for fish tanks below 40cm
Size:21*13.5*5.5cm
: 1.9W*2
Package size: 22.5*7.5*14cm
Package weight: 490g
4 fans for fish tanks below 80cm
Size: Size:40*13.5*5.5cm
: 1.9W*4
Package size: 40*14*7.5cm
Package weight: 774g
Package list
1* Fan host
1* adapter
1* Controller 
1* Instructions