Mode: Mode 2 (Left Hand Mode), EIRP: 20dbm, Hovering Accuracy Range: , Max Flying Time: 22mins, Horizontal ±0.3m (Indoor routine environment, Item Name: B20 ELS, Wind resistance level: <4 level, Max. Limit Height: 120m, ESC: 6A Brushless, Brand: MJX, Max. Ascent Speed: 3m/s, Built-in Positioning Sensor: GPS/Optical Flow/Barometer, Wheelbase: 280mm, Quadcopter Weight: 543g, within 3, Vertical ±0.3m, Vertical ±0.3m, meters height), Max. Flying Speed: 40km/h, Motor: 2204 1620KV Brushless Motor, Max. Flying Distance: about 600m, Quadcopter Size: 380*380*125mm, Max. Descent Speed: 2m/s, Horizontal ±0.5m(Outdoor 3 meters above normal environment). Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the 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. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): MJXB20EIS, bGhOnEy10, BGMJXB2011, BGB20MJX01, 7bcdf9, BGB20MA, BGDAVIS, BG5b6048, TTBLACK5
(these codes were not working in latest coupon update, but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – MJX B20 EIS Drone RTF with 3 Batteries [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for MJX B20 EIS Drone RTF. The lowest price was: $156.75.
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)).
. I can’t tell you if this price is good – not enough records in my database, so I won’t judge. There is one coupon right now! Check this out.