Frequency Range: FCC: 5.150-5.250GHz CE: 5.150-5.250GHz, Hovering Position: Vertical: +/-0.5m, Max Power: 15W, Charger Rated Power: 18W, Battery: 11.4V 1000mAh 3S Lipo, Flight Speed: 20km/h, Battery Temperature: 0°C~40°C, Quadcopter Size: 148x 145x 60mm, Brand Name: JJRC, Battery Weight: 72g, Flight time: 21mins(No wind), Ascent Speed: 2m/s(Manual Mode), Charging Time: About 90 Mins(Power adapter using DC 5V 2A), Horizontal: +/-1m, Wheelbase: 175mm, Quadcopter Weight: 249g, Item NO.: X9PS, GPS Positoning: GPS/ GLONASS Dual-Mode, Transmission Power: 5.2GHz FCC: ≤23dBm, Volumetric Energy Density: 11.4Wh, Battery Weight: 72g, Temperature: 0°C~40°C, Flight Level: 4000m, Item Name: Upgraded Heron Drone, White (Optional), Charger Voltage: 13.05V, Descent Speed: 1.5m/s, Battery Size: 80x 47x 35.5mm, Control Range: 3km, Color: Black.
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 China.
Link: Banggood product page
1. ($242.13): BGquads
2. ($242.13): Drones6
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGX9PSP, bGhOnEy10, bgshOOp10, BGX9PSRC15, BGRC902, 7bcdf9, BGCuponation10, BGDAVIS, BGMATT7
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Here is price history (for all/most countries) for JJRC X9PS Upgraded Heron Drone RTF. The lowest price was: $169.99.
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)).