SONOFF SlampherR2 E27 RF WiFi Smart Lamp Holder (Banggood, Aliexpress: , Max. load: 450W/2V, Material: PC V0, Input voltage: AC100-240V 50/60Hz, Type: SlampherR2, Output voltage: AC100-240V 50/60Hz, Screw base: E27, Operating systems: (Android 4.1 & iOS 9.0) or higher, Dimension: 67X67X98mm, RF: 433.92MHz, Wi-Fi: IEEE 802.11 b/g/n 2.4GHz (the best price with coupon)).
Basically copy coupon, view price history or create e-mail price alert. Best price?
Aliexpress
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Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
1. ($31.18): BGd0b05d
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGBFAFF2019, BGDEFGSOFF, BGCITYADS2019, BGRFSFF, AFfbG10, BGLIGHT2020, BGEDSFF, BGAFF10OFF, BGTT10, bGhOnEy10, BGYEBWCN, BGdragonBoat, BGSS10%SW, BGSONOFF15, BgcLuBofErtA10, BGSONOFF16, BGCuponation10, 13f142, BGHONEY2110, BG10OFFAFF, BGwhielabel, BGLIG12, BG10OFFAFF1, BANGGOODSD, 00c906, BG00c906, ADMITAD2212, 2022ACTIESNL, Terence, BGLED2203, 8Couponsde, MVC8SPRING, 8BGwbg2204, 2203ActiesNL, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BGf94f14, BGLED2206, BG8ReviTrage, Cuponation9, BGLED07
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – SONOFF SlampherR2 E27 RF WiFi Smart Lamp Holder [EU] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for SONOFF SlampherR2 E27 RF WiFi Smart Lamp Holder? There we go. The lowest price was: $10.29.
Price records source(s): Gearbest, 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)).