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).
Check coupons or create price alert down below. You probably want to know 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 coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. Uhm… There’s no price history (in my database) for this product right now.
Link: Banggood product page
1. ($20.23): BGf625a4
2. ($21.61): BG589b2e
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGdc6b98, BG268b7b, Cuponation9, BG8ReviTrage, BG00c906, BGdbe184
(these coupons are old, so probably won’t work)
Price history and price alert
We don’t have enough records in database to show price history for this item. BTW: We have only recorded this price: $15.99.
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)).