| 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 |
1. Photoelectric high sensitivity sensor design, timely detect fire hazards
2. Replaceable lithium battery power supply design eliminates wiring troubles
3. High decibel audible and visual alarm, and timely handling of fire alarm
4. Compact and fashionable design, with appearance patent
5. Flexible alarm mute function, both local and APP
6. Intelligent equipment linkage to achieve more automatic control
7. Low power consumption design, battery life up to 5 years
8. Remind of low battery voltage and timely remind to replace the battery
