4 CHANNELS : Professional relay module design,AC 90-250V and DC7-36V ,433MHz,Max load 10A,no interfere with each other.
APP and VOICE CONTROL:download app "eWeLink",mesh router or single 2.4GHz broadcast is required.Works with Alexa, Google home& IFTTT flawlessly.
REMOTE CONTROL:Turn on/off device with a button , support momentary mode,toggle mode and latched mode.(remote switch has been paired with remote control well,default toggle mode: press on,press again off).
SAVE MONEY and TIME: Renovate house without broking the walls, very easy to install. user guide attached.
Certification&Warranty: RoHs and CE certified,2-year warranty and lifetime support from KTNNKG.