【ESP8285 Chip】 Ultra-low-power Wi-Fi switch module series based on ESP8285.
【4 Gang Switch Control】Used as a switch control for 1-4 household appliances. Either it can be controlled by the device button, or remotely controlled by connecting to APP (eWeLink)
【Specially designed for mobile devices and Internet of Things applicationsl】With the most competitive package size and ultra-low energy consumption technology in the industry. PSF-B series connect users’ devices to the Wi-Fi wireless network for remote or local area network communication to achieve networking.
【Various packaging methods】Widely used in smart grid, smart transportation, smart home, handheld devices, industrial control and other fields.
Does this product checked before shipping them to me?
Yes., of course.We have a professional Quality Control team. They will check carefully for each item we received from factory to avoid sending defective goods to our customers.
If a item is found defective in our Technical QC team , it will be returned to the factory. Please don’t worry about receiving a defective item because we are committed to being a trustworthy
Factories that supply Sonoff are strictly evaluated by us, and we provide you an even better reassurance of consistent high quality thanks to our Sonoff Technical QC team. We double-check the contents of all orders carefully before dispatch to our customers a. Sonoff will maintain all product serial number and products ID for stop delicacy.
Processing time 1-2 business days normally: During this period, we do strict quality-control tests and get the items carefully packed.
Delivery time 3-8 business days normally in India.
Who will be delivered the product to me
You order will dispatch from your nearest local authorized dealer by ShipRocket/Delhivery.com.
What should I do if my items arrived damaged?
When using shipping services, we want the delivery to be as fast as possible. At the same time, we expect from the courier company to handle our shipments with great care throughout their journey. Packages reach several depots and go through multiple hands until the driver delivers them to their recipients. Even though we might assume it is the courier’s fault for the damaged delivery of the parcel, several other situations explain it is not always the case.