$12.99 – 2pcs Ultrasonic Pest Repellent (Banggood, Aliexpress: 2pcs Ultrasonic Pest Repellent 3-in-1 Triple Frequency 360 Degree Coverage Easy Installation Chemical-Free Safe for Pets and Children 800-1800 ft² – 2Pcs Black (the best price with coupon)).
What is the best price for 2pcs Ultrasonic Pest Repellent? I think it is $12.99 (in Banggood). Go down and check coupons out. Remember to check price history if it is available. Let’s see what best price is ATM.
Latest price update (UTC time):
Banggood ($12.99)
Banggood warehouse is located in China. I have no active coupons for you right now. But wait a sec… Is it a good price? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal $9.32)
Link: Banggood product page
Price: $12.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BGc192cb, BG63ac82
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
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.
Price history and price alert
Price history (for all/most countries) for 2pcs Ultrasonic Pest Repellent is here. The lowest price was: $8.99.
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)).