SONOFF ZB Bridge Smart Bridge Zigbee3.0 Remote Controller is for $22.99 (in Banggood). You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
SNZB-01 Wireless Switch, Wireless Connections: IEEE 802.11 b/g/n 2.4GHZ, Zigbee 3.0;, Support Sub-devices: BASICZBR3 Smart Switch, Dimension: 62X62X20mm, S31 Lite zb Smart Plug, Material: PC V0;, SNZB-02 Temp. & Hum. Sensor, SNZB-04 Wireless Door/Window Sensor., SNZB-03 Motion Sensor, Input: 5V 1A;
Latest price update (UTC time):
Banggood ($22.99)
Banggood warehouse is located in China. There are no coupons for this product in Banggood. But wait a sec… Is it a good price? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal $12.05)
Link: Banggood product page
Price: $22.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGSONOFF15, BGSONOFFZBB, BGSNZBBZ, BGESSONOFF1, 13f142, BGVKSOZB, BgcLuBofErtA10, BGHU0147, BGZB13, BGSNZBBR, BGSONOFF16, BGAFF10OFF, BGSTHO15, BGSON149, BGHONEY2110, BGSHOM15, BGSHE15, BG93de6d, 6GSGIT, BGSmart6, BGHU1717, 8BGwbg2204, 8wEbgaInS5, pROMo8cuPoN, BGJUNEGSG9, BG15Sonoff, BG8ReviTrage, Cuponation9, 9OFFSUMMER, BGd187f7, BG2f6dea, BGf6926e, BGb02ae3
(these codes were not working in latest coupon update, but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
SONOFF Zigbee3.0 Smart Switch Intelligent Mini ZBMINI L2 Switches Supports EWeLink Alexa Google Alice No Neutral Wire Required | $73.74 | – |
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for SONOFF ZB Bridge Smart Bridge Zigbee3.0 Remote Controller.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).