Tuya Smart WIFI Doorbell Alarm Hub Chime Ring Home Security Alarm System Wireless Door Sensor PIR Motion Water Leak Detector 433
Note: Kit A and Kit L is normal type doorbell without WIFI, can’t push notification, but other kits with WIFI, can push alert to smartphone App









Note: only WIFI type with built-in backup battery, so Kit A and Kit L without WIFI don’t include battery.









Specification: