Check coupons or create price alert down below. You probably want to know what is the best price?
300 – 10000PPM, Resolution: 1PPM, Powered by 3x AAA battery (not included)
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Digital display combustible gas detector combustible gas alarm KXL-602 | $50.90 | – |
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. I found coupon for you. Check this out.
Link: Banggood product page
1. ($28.46): BGherra
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/5cd
Old coupons (from the oldest to the newest): 502C6B, e2bcea, TTxBG10, 2019SPEDM, bgssaff9, AFfbG10, aff7off, 0e7f33, FBCOUPON1, BGDANIU
(these coupons are old, so probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for KXL-602 Combustible Gas Detector.
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)).