Product Safety Level Class B, Door Lock Weight 4.2kg, Operating temperature -25°C ~ +70°C, Door Lock Prompt Tone English/Chinese, User Capacity “50x fingerprints / 50x permanent passwords / 25x NFC devices / 25x periodic temporary passwords / 8x one-time temporary passwords”, Door Lock Panel Size 380.9*76.9*25mm, Executive Standard GA 374-2019 / GA/T 73-2015(lock core) / GB21556-2008, Brand Aqara(Ecosystem), Lock Core Security Level Class C (the highest level), Power Supply “8x AA batteries (6V DC / not included) / Type-C emergency power supply (5V DC)”, Working Humidity 0~93% RH / no condensation, Wireless Connection Bluetooth 5.0, Model N100.
Price history, coupons and price alert are available on this page. Let’s see what best price is ATM.
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 code price check (UTC time):
Banggood
Banggood warehouse is located in China. I am tired of searching coupons, but I found one for you…
Link: Banggood product page
1. ($256.22): BGSmart6
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGn100, BG2020NS, BGAQA15, bGhOnEy10, BG8883, BGLB35, BGL35, BG11518, BgcLuBofErtA10, 7bcdf9, BGCuponation10, BGHONEY2110, BG84617a, BGAQA929, BGeee749, BG4a7a54, ADMITAD2212
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Aqara N100 Smart Door Lock [EU] ($-3)
Price history and price alert
Here is price history (for all/most countries) for Aqara N100 Smart Door Lock. The lowest price was: $189.99.
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)).
. There’s only 1 record in my database, so I have no idea if the price is OK. You can get coupon down below.