About this item 3.8L LARGER CAPACITY: The Reptile Fogger Mister size is 13×7.5×7.5 inch, with an adjustable (1.5-6.3feet) hose and two suction cup for fixing water tube. This reptile humidifier is perfect for beginners, with just one knob and simple operation. Recommended for 10-40 gallon single-compartment terrariums. DRY-OFF PROTECTION: Can work continuously, if the water in the tank is dry, this terrarium humidifier’s indicator light changes from green to red, and it will automatically stop working. One refill can last up to 26 hours at medium misting level, and 10 hours at max misting level(380ml/per hour). ADJUSTABLE MIST OUTPUT: There is a rotary button on the front of this fogger to adjust the cold mist output. NOTE: THERE IS A SWITCH ON THE BACK, REMEMBER TO TURN IT ON BEFORE USE. FINE MIST & SILENT RUN: Ultrasonic atomization reptile humidifier, fine mist, uniform humidification without water accumulation. Low noise design (<35dB) does not di