Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
HAMA(2G/3G), Model DG-ZXP21, External Voltage DC5V, Working Current < 15mA, Detection Range 4-8m / 150°, ROSA, Internal Battery 1pcs CR2032 Battery, LADA, Compatible with HOSA(2G/3G), Standby Current < 15 uA, Wireless Frequency 433 MHZ can be paired, Operating Temperature -5°C ~ 40°C, Wireless Distance 100m (Open Area), Working Voltage 3V, Installation Method Wall Hanging
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
1. ($5.09): BGDGASG
just apply this code 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): BGDigoo15%, BGZXP21, BGDG15, BGSAMH, 20%DG422, BGSM15, BGSMOFF
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for DIGOO DG-ZXP21 MINI 433MHZ PIR Sensor.
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)).