Specification Model:Micro Max. input: Max.DC 5V or 2.5A (USB Type - A male) Max.output: Max.DC 5V or 2.5A (USB Type - A female) note: only support BC 1.2 charging protocol, Max. 1A output for charging Wi-Fi: IEEE 802.11 b or g or n 2.4GHz Material: PC V0 Dimension: 45x30.5x26mm Features Turn on or off connected device wirelessly anywhere anytime Provide real-time power or current or voltage of your appliances (S31 Only) Provide 100 day historical power consumption data and electric bill (S31 Only) Set limited power or current or voltage value to auto-off, protect from overload (S31 Only) Device status synchronously display on your phone Support Max 8 enabled scheduled or countdown timing tasks Share Control with your family Works with Amazon Echo, Echo Dot, Amazon Tap Works with Google Home, Google Nest Works with IFTTT Specifications Max. Current: 15A Voltage Input: 120V AC 60HZ Wireless Standard: 2.4GHz, 802.11 b or g or n Receive Sensitivity: 802.11b: