Fingerprint match time ≤ 300 ms, Battery 300mAh 3.7V, Fingerprint matching time ≤1s, Working temperature -20℃~+70℃, Fingerprint capacity 10 groups, Waterproof IP65, Manager’s Fingerprint Capacity 2 sets of Fingerprints, False accept rate <0.001%, Unlocked 2500 times, Fingerprint acquisition time ≤0.5s, Charging current 5V/200MA, Color Black, Full charge reminder Red light extinguished. You can create price alert here, copy coupons and view price history. Best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($34.41): bGhOnEy10
2. ($34.41): BGdragonBoat
3. ($34.41): BGAFF10OFF
4. ($34.41): BgcLuBofErtA10
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGANEX, AFfbG10, BGBFAFF2019, BGCITYADS2019, BGMPB2020, BGSS10%SW, bgshOOp10, BgoFErTaSchInA10
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for Anytek L3 Fingerprint Lock. The lowest price was: $24.98.
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)).