ATM you can buy UV999PRO Walkie Talkie for $45.99 (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Best price?
UV999PRO Full-band 256 Channels Walkie-Talkie IP67 Waterproof LED Flashlight Weather Forecast SOS Alarm VHF/UHF High-power Two Way Handheld Radio
Latest coupon and price update (UTC):
Banggood ($45.99)
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it? Is it a reasonable price for this item? This price is higher than average price ($42.10) for this item.
Link: Banggood product page
Price: $45.99
Old coupons (from the oldest to the newest): BG589b2e, BG8FORMULAMX
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for UV999PRO Walkie Talkie.
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)).