Smart Wifi Bluetooth Switch Relay Module 7-32v On Off Controller 4ch 2.4g Wifi Remote for Alexa Go

App Support: Free iOS and Android mobile app .Sync Status: Real-time device status provided to the app.Remote On\/Off: Remotely turn on\/off 4 electrical devices from anywhere.3 Working mode: interlock\/self-lock\/jog mode switching. control: Control each gang separately in the Yiweilian APP.1. Remotely send out pulse signals to turn on\/off , and other .2. Remotely give a pulse signal to open\/close the garage door, access control3. Remotely give a pulse signal to control the forward and reverse rotation of DC motor and AC motorInput voltage:DC\/AC 7V-32VMaximum current:2000W\/10A\/groupMaximum load:3500W\/16A\/4gangWireless:Wi-Fi 2.4ghz b\/g+BluetoothRadio frequency:2.4GWorking temperature:-20C-70CSupports remotely turning on or off connected electrical appliances, such as electric lights, electric kettles, rice cookers, electric curtains, etc.APP remote controlJust tap the eWweLink app to turn on the lights anytime, anywhere.Due to different batches, there may be differences in product appearance, color, and text, which will not affect the useColour:WhiteMaterial:plasticSize:81x76x28mmPackage Contents:1 * Module with CaseOnly 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.