$53.99 – 1x Connection Cable, 1x Accessory, 2x Door Sensor Set, 1x English User Manual, Package Contents: 1x Alarm, 1x Infrared Detector, 2x Remote Control, 1x Bag of Screws, 1x Power Adapter, 1x Data Cable.
ATM you can buy PG-105 433MHz Smart Home System for $53.99 (in Banggood). Go down and check coupons out. Remember to check price history if it is available. Best price?
Latest coupon and price update (UTC):
Banggood ($53.99)
Banggood warehouse is located in China. I have no active coupons for you right now. Price? Well, according to CouponsFromChina database this price is the best in history (4 records).
Link: Banggood product page
Price: $53.99
Additional Banggood coupons: first page and second page
This is the best price ever noted in my database!
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
YAOSHENG Security-Protection TUYA Smart Home Alarm System 2G 433MHz WiFi GSM Wireless House App Control Sets PG105 | $1.67 | – |
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for PG-105 433MHz Smart Home System. The lowest price was: $53.99.
Price records source(s): Gearbest, 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)).