YAOSHENG Security-Protection TUYA Smart Home Alarm System 2G 433MHz WiFi GSM Wireless House App Control Sets PG105

Note: The smoke sensor in this link cannot be directly connected to TUYA, and needs to be connected to the alarm system first.

If the seller wants to buy a smoke sensor that is directly connected to TUYA, please purchase it through this link

Purchase link: https://www.aliexpress.com/item/1005008380000481.html?pdp_npi=4%40dis%21EUR%21%E2%82%AC%2021%2C39%21%E2%82%AC%2021% 2C39%21%21%2121.74%2121.74%21%40212e532617388961371064298e50a4%2112000044786716720%21sh%21ES% 210%21X&spm=a2g0o.store_pc_allItems_or_groupList.new_all_items_2007586121899.1005008380000481