Motor Mabuchi, No-load speed: 0-2800RPM, Charging time: 80min, Battery capacity: 1500 mAh, Modle: 80098C, Machine weight: 1.6kg, Impact frequency: 0-3400BPM, Maximum torque: 200N.m, Voltage: 20V, Chuck type: 1/2″ square head.
Basically copy coupon, view price history or create e-mail price alert. 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 code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($126.23): BGherra
2. ($126.23): BGPToo15
3. ($133.66): BGAFF10OFF
4. ($133.66): BgcLuBofErtA10
put item in your cart and apply coupon code there 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): TS15prime, BGWihawrench, TISPrime01, Tools1, Tools3, BG2Wiha3, BG11BB, BGoo1, BGPowerTool15, BG2020NS, BGMPB2020, bGhOnEy10, BGPTOOL, BGoh22
(probably won’t work, but you can try them out)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Wiha Zu Hause 20V Electric Wrench Driver 200Nm 1500mAh. The lowest price was: $118.99.
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)).