Description Working voltage DC 3 7 5 5V recommended 5V Work current 330mAStand up current 21uAPower supply interface Type C USBHumidifier interface pH2 0 terminalFrequency 108kHzMultiple function modes Uninterrupted work Intermittent work Timing workSize 40 x 16 5 x 9 mmWeight 4 5 gApplication Smart home home automationHousehold atomizer humidifierElectronic DIYSmall USB deviceChoose different function modes by welding the M2 M1 M0 ports Package included 3 x TYPE C Atomizer humidifier controller3 x Atomizing sheet3 x Humidifier cotton rod