When I was updating this page the price was $32.99 for Xiaomi Mijia Electric Screwdriver MJDDLSDOO3QW (in Banggood). Just check coupons out (with price alert and history). What is best price?
Latest coupon and price update (UTC):
Screwdriver net weight 59g, Product size 201.8x 74.2x 25.2mm, Color Grey, II gear max torque 0.2N·m, Model MJDDLSDOO3QW, Screwdriver size 159×Φ16.4mm, Manual maximum torque 3N·m, Name Xiaomi Mijia Electric Screwdriver, I gear max torque 0.05N.m, Material Aluminum alloy, No load speed 200r/min, Rated voltage 3.7V, Product net weight 353g, Charging time 160-200min, Li-on battery 350mAh, Charging specification 5V 0.14A
Banggood ($32.99)
Banggood warehouse is located in China. I couldn’t find any coupon for this product on latest product update. Is it good price? This price is higher than average price ($29.91) for this item.
Link: Banggood product page
Price: $32.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGPTOOL, BGM3937, BGMijia29, BGXMF9, BGMijia09, BGF9397, BGMI2959, BGMIJIA6, BGMijia20, BGSale999, BGMIJIA10, promocja, BGMIJIA11, BGIKXMSD, BGAUMI24, BGJPES1, BGXIMIJIA, BGMijiaG2, BGBFC063, BGherra, BGXMIJIA12, BGXMIJIA2, BGXMIE2, BGXME1, BGCZX8, BGAFF10OFF, BGXMF1, BGXMF3, BGXMF2, BGCNNY08, BGXMN6, BGXMN9, BGCuponation10, BGAXM2, BGXME2, BGXMN2, BGXMN5, BGXMN3, BGETS3, 13f142, BGd7c9ee, BG6bd3d3, BGc7defe, BGHONEY2110, BG5b2447, BG6810c8, BG590a95, BGe19ae4, BG22d734, BG838757, BG4956b2, BGe646f9, BGeef825, BGJP3937, BGa549db, BG3dc2cb, BGcd6784, BGXMJA7, BG748c45, BGXMIJIA, BGWEEK8, BGddd86d, BG3fb2c6, BG79318f, BG261049, BGF93937, BGeb1596, BG5d32b6, BG55e749, BGGizChina12, BG63e83a, BG48d323, BGNDT18, BG4843d4, BG1c2280, BGb9217f, BGDBG20, BGe4f937, BG744bcf, BG6e85a3, BGBFG02, BG438fbc, BGf81cee, BG82a5d7, BGc7cec1, BG03cbe1, BG069d0c, BGe33860, BGHUCJ117, BG123F2021, BG96f1ba, BG850d02, BGa03bc2, BG826ff0, BGb26e79, BGPTL088, BGHITD21, BGc69884, BG162410, BGGines, BG9e51ef, BGc8c39a, BGf5d6ea, BGreviewos1, BGreviewos11, BGsmartbuyIV, BGb6fcd0, BG21f286, BGPHOOL8, BG3c96ba, BGissam37, BGf8b30d, BG51943, BGHPT15
(probably won’t work, but you can try them out)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for Xiaomi Mijia Electric Screwdriver MJDDLSDOO3QW is here.
Price records source(s): Gearbest, 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)).