KONNWEI KW680 Code Reader [EU] (Banggood, Aliexpress: Power: 8 to 18 V provided via vehicle, Supported Protocols: J1859-41.6, ISO9141, and CAN (Control Area Network ISO 11898), Operating Temperature: 0 to 60 ? (32 to 140 ?), Dimensions: 124mm (4.88in)x 70mm (2.76”)x 20mm (0.79”), Storage Temperature: -20 to 70 ? (-4 to 158 ?), Weight: 0.45KG, Display: TFT color screen (320*240dpi), J1850-10.4, KWP2000 (ISO 14230) (the best price with coupon)).
Price history, coupons and price alert are available on this page. What is 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 Europe 
. I don’t really know if this price is reasonable, coz there’s no price history in my DB.
Link: Banggood product page
1. ($35.99): BG10OFFAFF
2. ($35.99): BGHONEY2110
3. ($38.99): 13f142
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): 502C6B, e2bcea, Cardvr30, TTxBG10, BgAuMotor, AM15prime, AMPrime01, Automo, BG1111CAR, BGKW680, BGCHRISTMAS, BGAutos, bGhOnEy10, BG2dfcd7, BGCARELEC, BGAFF10OFF, BGCKCZ44, BGCuponation10
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Price history and price alert
Not enough data to show price history chart… $33.29 is the only recorded price. It was not cheaper than that since we have saved it in DB.
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)).