RFID card frequency 125KHz (Chip: 4100/4200), Brand BlitzWolf®, Power supply Micro USB 5V / 1000mA, GSM 2G GSM network / 850/900/1800/1900MHz, Backup battery 3.7V lithium battery, Working humidity ≤95 %RH, Wireless frequency 433Mhz, Battery capacity 500mAH, Screen type Single point capacitive touch screen, APP Name BlitzWolf / Tuya Smart / Smart Life, Network IEEE 802.11b/g/n / 2.4GHz WIFI, Storage Temperature -40～70℃, Size 10cm*16.2cm, Working temperature -10～50℃, Model BW-IS20, Screen size 4.3 inches, Power consumption <55mA (under standby). Get coupons, create price alert or check price history out! What is 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 and price update (UTC):
Banggood
Banggood warehouse is located in Europe 
.
Link: Banggood product page
1. ($75.99): BG636e75
2. ($76.99): BG450c66
3. ($84.66): BGaf1f0e
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGBWIS20, BGSTHO15, BGBWIS20DL, BG4BWIS20, BGHONEY2110, BGBWIS20PL, 13f142, BGfc87f8, BGCZGRBWS, BGCNCZS2, BGCNGRESA, BGfdd2aa, BGf08363, BGND039, BGd10443, 6GSGIT, BGb49845, BGHU1147, BGda66eb, BG8b6ba4, BGB5022, BG9fcd39, BGbd9a01
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – BlitzWolf BW-IS20 2G Wifi Smart Home System Kit ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for BlitzWolf BW-IS20 2G Wifi Smart Home System Kit [EU]. The lowest price was: $75.99.
Price records source(s): Banggood
Click on image to enlarge. ![Price history for BlitzWolf BW-IS20 2G Wifi Smart Home System Kit [EU]](https://couponsfromchina.com/pricehistory/History27547.png "BlitzWolf BW-IS20 2G Wifi Smart Home System Kit [EU] price history")
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)).