TAODAN 2 Sets USB Humidifier Atomisation Tray 5V Module Circuit Board with Driver Suitable for Nebulising Devices

["Work voltage: DC 4.5V¨C5.0V. Work temperature: 0 degrees Celsius to 85 degrees Celsius. Operating humidity: 10per cent to 90per cent RH","It is a 108kHz 20mm Micro USB humidifier with a driver. Once switched on, it will continue to operate.","It performs exceptionally well on water surfaces, much like a water-absorbent sponge or towel, featuring finer particles and a higher spray level.","Widely used in: ultrasonic atomising devices, USB humidifiers, perfume atomisers, aromatherapy diffusers, and other atomising devices.","Packaging includes: 2 atomising discs"]