Refrigerant:  CFC,HCFC,HFC,HC,HFO etc.; 

Sensitivity: 3g/year（MAX 1g/year); 

Power supply: Rechargable Lithium battery 3000mah; 

Warm-up time:  30s; 

Response time: < 3s; 

Certificate & Approval: CE, SAE J2791,SAE  J2913   ; 

Probe length:40cm ;  

Screen :2.8 inches; 

Product Size:20*8*4cm;