| PST-YG400A Specifications |
| Name | WiFi Smoke Sensor |
| Model | PST-YG400A |
| APP Name | Tuya Smart |
| Color | White |
| Material | ABS |
| Backup Battery | AAA 1.5V*2 |
| WiFi Standards | IEEE 802.11 b/n/g 2.4G Hz |
| Smoke detection | Support |
| Low-battery Detection | Support |
| Tuya Smart product Linkage control | Support |
| Operation Temp. | –10°C to +50°C |
| Humidity | 5%--95% non-condensing |
| Installation | Ceiling-mounted |
| Dimension | 8.5*8.5*5cm |
| Weight | 0.12kg |
| PST-YG400A Package List |
| WiFi Smoke Sensor | x1 |
| AAA1.5V battery | x2 |
| User Manual | x1 |
