Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – DIGOO DG-AN0471 Digital Alarm Clock [EU] (-3 USD)
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (8.49 USD): BGSTHO15
Coupon (8.99 USD): BGAFF10OFF
(CouponsFromChina.com tip: 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
Old coupons (from the oldest to the newest): BGSMOFF, BGDGASG, BGSAMRTH, BGELIG0920, BgcLuBofErtA10, BG15SH12, BGHBHJ105, BGHONEY2110
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – DIGOO DG-AN0471 Digital Alarm Clock [EU] (-3 USD)
Price history and price alert
Here is price history (for all/most countries) for DIGOO DG-AN0471 Digital Alarm Clock.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).