Bảng mạch điều khiển máy tạo độ ẩm phun sương mini cắm USB

5V USB ultrasonic sprayer driver board andboard Low driving voltage, low power consumption, low impedance, stable waveform, high conversion efficiency Ringplate, middle spray, 5um ultra-fine spray holes, 740 ultra-dense spray holes The surface of the atomized film adopts an anti-oxidation sier layer, which protects the coating process and has a long service life Use environmentally friendly electronic components Voltage: DC5V Current: 300mA Power: 2W Frequency: 108KHz Driver board size: 35x19mm Diameter of atomized steel sheet: about 16mm Outer diameter of silicone ring: about 20mm Wire length: about 8cm The number of holes is 740, the hole diameter is 5um Strong versatility, large amount of fog, stable performance, the chip has automatic timing shutdown function. 5V USB power supply e, which can be powered by Androidcharging cable. Colour:Green Material:metal Package Contents: 1* circuit board 1* Atomization filmOnly the above package content, other products are not included. Note: Light shooting 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.