Aliexpress
Here are coupons that you can use.
Other warehouses/versions
This item is available in 4 another warehouse/versions!
1. China – Convoy L4 U2-1A 6500-7000K Flashlight (-3 USD)
2. China – Convoy L4 T6-4C 4200-4500K Flashlight (-3 USD)
3. China – Convoy L4 T6-3B 5000-5200K Flashlight (-3 USD)
4. China – Convoy L4 T5-5B 4000-4200K Flashlight (-3 USD)
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. There is one great coupon!
Link: Banggood product page
Coupon (25.48 USD): 4BLF
(CouponsFromChina.com tip: put item in your cart and apply coupon code there 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): BRANDCV, M4Dconvoy1
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 4 another warehouse/versions!
1. China – Convoy L4 U2-1A 6500-7000K Flashlight (-3 USD)
2. China – Convoy L4 T6-4C 4200-4500K Flashlight (-3 USD)
3. China – Convoy L4 T6-3B 5000-5200K Flashlight (-3 USD)
4. China – Convoy L4 T5-5B 4000-4200K Flashlight (-3 USD)
Price history and price alert
Price history (for all/most countries) for Convoy L4 T4-7A 3000-3200K Flashlight is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).