Flying weight: 156g (with battery), Product: RC Helicopter, Battery details: 7.4V 600mAh 25C, Flight time: about 5 minutes, Remote control mode: 2.4G remote control, Brand: Eachine, Remote control distance (m): 120 meters, Number of driving motors: main motor (brushless) 1312 tail motor (brushless) 1103, Charging time: 30-60 minutes, Product size (CM): rotor diameter 305mm body length 305mm height 98mm, Item: E160.
Just check coupons out (with price alert and history). 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 price update (UTC time):
Banggood
Banggood warehouse is located in China. I’m afraid that there’s 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!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGRCEachine, BGRCT10, BG189900, BGCaptain160
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for Eachine E160 V2 6CH Brushless 3D6G RC Helicopter RTF with 3 Batteries. The lowest price was: $165.99.
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)).