Go down and check coupons out. Remember to check price history if it is available. What is best price?
Formaldehyde Over Standard Display YES, Data Storage, 0-1.5mg/m3, 0.01mg/m3, A Standard Atmospheric Pressure, CMIIT ID 2018DP5390, 1.5 Months, Display OLED, Range, Wireless Connection, Working Environment, Working Temperature 0-40℃, Working Humidity, Power Supply 2x AA Batteries, 15%-90% RH, Reading Resolution, Bluetooth 4.2
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
1. ($72.98): BGBF20off2
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): vipupgrade8, TTxBG10, 2019SPEDM, BGss506, AFfbG10, affbg10, BGBFAFF2019, BGCITYADS2019, BGHOMEG12, BGAFF10OFF, bGhOnEy10, BGSS10%SW, bgshOOp10, BGHome15%, BGHOMEA15%, BgcLuBofErtA10, BGCuponation10, 13f142, BGHONEY2110, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BANGGOODSD
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Price history (for all/most countries) for Xiaomi Honeywell JQJCY01YM Formaldehyde Monitor is here.
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)).