WiFi Smart Switches
SWITNEX 4-Channel WiFi Smart Relay Switch, DC 5–48V, eWeLink App, Works with Alexa & Google Home
Four dry-contact relays you can control from anywhere via the eWeLink app or by voice — inching or self-locking, for DC systems from 5 V to 48 V.
- Factory direct: in-house production and QC, competitive pricing for wholesale and projects.
- Pre-paired kits: kits ship already coded — wire up and go; extra remotes can be added any time.
- OEM / ODM: private label, custom coding, frequency, housing colour and packaging.
Key features
- Control from anywhere — Connects directly to your 2.4 GHz WiFi — no hub required; iOS and Android.
- Voice assistants — Works with Amazon Alexa and Google Home.
- Dry-contact relays — Each relay switches 10 A resistive load with NO / COM / NC terminals.
- Inching or self-locking — Set each channel to momentary (inching) or latching in the app.
Specifications
| Input voltage | DC 5 V or DC 7–48 V |
| Max load | 10 A per relay (resistive) |
| Wireless | WiFi 2.4 GHz 802.11 b/g/n |
| App | eWeLink |
| Voice | Alexa / Google Home |
| Operating temperature | -20 °C ~ +70 °C |
| Standby power | < 1 W |
| Dimensions | 65 × 48 × 17 mm |
Available kits
- EW-1CH
- EW-2CH
- EW-4CH
- RF remote
- TEW-1CH × 4
- TEW-2CH × 2
- TEW-4CH × 1
Installation
Receivers are compact enough to fit an existing wall box, sit next to the fixture or mount inside the distribution box. Every kit ships with an English manual and wiring diagram. Stuck? Send a photo of your wiring on WhatsApp and our engineers will confirm it for you.
Step-by-step articles and videos are in our Installation Guides.
Shipping & support
- Worldwide shipping with tracking number on every order.
- One exchange within 7 days of delivery (original packaging); refunds for faulty items.
- Wholesale, project and OEM orders — use the inquiry form or WhatsApp.
