| Material | ABS | 
| Color | White | 
| Power supply | rechargeable lithium battery 2000mah | 
| Sensor type | Electret Condenser microphone | 
| Test range | 30-130dBA | 
| Display Parameters | Decibel,Temperature, Humidity | 
| Accuracy | ±1.5dB | 
| Resolution | 0.1 dBA | 
| Standard accessory | Main Unit , user manual, DC charge  cable, position sticker,Screws | 
	
	 
	 
	 
	