When I was updating this page the price was 35.99 USD for BL03 Bike Headlight with (in Banggood). Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Latest coupon code price check (UTC time):
Banggood (35.99 USD)
Banggood warehouse is located in China. There are no coupons available at this moment in Banggood. Is it cheap? Hmmm, price is higher than average (which is 31.83 USD right now), so better set price alert down below…
Link: Banggood product page
Price: 35.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): FIN4421, BGOutlight10, BG589b2e, BG8FORMULAMX, BGcharles03
(these codes were not working in latest coupon update, but you can check them out anyway)
Aliexpress
Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for Astrolux BL03 Bike Headlight with Taillight? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).