Go down and check coupons out. Remember to check price history if it is available. What is best price?
(More Mini than DG-HOSA), Size 140mmx 140mmx 20mm / 7.28″x 4.92″x 0.57″, Wireless Coding EV1527, Wireless Transmit Power 10dBm, Language Support English, Standby Current <80uA, Siren Output <300mA, Working Current <55mA, Relative Humidity <80%RH, Back up Battery 3.7v/500mAh Lithium Battery, Wireless Debug OOK, Model DG-MAS1, Wireless Recept Sensitivity -113dBm, Input Voltage DC5V, Chinese TwoLanguage Setting, Wireless GSM DIY Smart Home Security Alarm Systems, Wireless Frequency 433MHz, Working Temperature 0~50℃
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 China. Only one coupon available!
Link: Banggood product page
1. ($39.09): BGHB218
paste coupon code in your cart and click Apply 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): BGCITYADS2019, AFfbG10, BGDGMA19, BGVDay10%off, BG7276D, BGDG15, BGDigoo15%, 20%DG422, BGdragonBoat, BGSS10%SW, BGDGASG, bGhOnEy10, BGHome15%, BGOCTD761, BGHOMEA15%, BgcLuBofErtA10, BGHBHJ105, BGDGM125, BGGDJUW4, BGAFF10OFF, BGFETD761, BGMASE761, BGMRDC38, 13f142, BGHONEY2110, BGMAYSE761, BGZX761, BGDG761, BGJUZX61, BGJUTD761, BGfr761, BGlyis761, BGPDhome42, BGISJU61, BGTY761, BANGGOODSD, 00c906, BGHealth10D, 2022ACTIESNL
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for Digoo DG-MAS1 New 433MHz GSM Home Alarm System Kit.
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)).