2pcs 5v Humidifier Driver Board Mist Maker Atomization Discs Stable Ultra Fine Low Power Big Spray

Feature: 5V USB driver board. Low driving voltage, low power, low impedance, stable waveform, high conversion efficiency.Round ring plate, middle spray, 5um ultra-fine spray , 740 ultra-dense spray holes.Strong versatility, fog output, stable performance, and the chip has an automatic timer shutdown function.Note: This product is only suitable for USB 5V direct current, mobile phone Android line interface, and not suitable for 220V alternating current from household sockets.Parameter:Net diameter of atomized steel sheet: 16mmOuter diameter of silicone ring: 20mmWire length: 8cmProduct voltage: DV 5VCurrent: 300mAPower: 2WFrequency: 108KHzNumber of holes: 1000: 5umDriver board size: 46.3x18.5x1.0mmMaterial: PCB+plastic+metalcolour: greenPackage Contents:2 x Atomization driver board2 x Atomizer tabletOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.