9V DC Ultrasonic Pest Animal Repeller [EU] (Banggood, Aliexpress: Model: SOUTHSUNNY, Dimensions: 7.5″ Hx 3.5″ Wx 3.88″ D, Effective Range: 5000(167km) feet in redius, Ultrasonic Frequency: 15KHz-25KHz(Adjustable), Working Current: ≤250mAh, Output: 9V DC, Power Supply: 6×1.5V C-size Battery, Motion Sensor Distance: ≤150feet(5km) (the best price with coupon)).
Just check coupons out (with price alert and history). You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
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 can’t tell you if this price is good – not enough records in my database, so I won’t judge.
Link: Banggood product page
1. ($20.23): BGf625a4
2. ($21.61): BG589b2e
just apply this code 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/5cd
Old coupons (from the oldest to the newest): BGdc6b98, BG268b7b, Cuponation9, BG8ReviTrage, BG00c906, BGdbe184
(probably won’t work, but you can try them out)
Price history and price alert
Not enough data to show price history chart… $15.99 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)).