Specifications
| Model | NQ3F |
| Power | 3V lithium battery |
| Thermal Setting | 70°C |
| Sound | 90dB / M and above |
| Ambient Temperature | 0°C ~ +50°C |
| Material | Fire-proof plastic |
| Dimensions | 110mm (H) x 102mm (W) x 38mm (D) |
| Weight | About 120g |
| Color | White |
| Model | NQ3F |
| Power | 3V lithium battery |
| Thermal Setting | 70°C |
| Sound | 90dB / M and above |
| Ambient Temperature | 0°C ~ +50°C |
| Material | Fire-proof plastic |
| Dimensions | 110mm (H) x 102mm (W) x 38mm (D) |
| Weight | About 120g |
| Color | White |
| Construction/Height | Under 4M | 4M ~ 8M |
| Fire-proof Building | 60 M² | 30 M² |
| Ordinary Building | 30 M² | 15 M² |