Infrafed Leak Detector 
·Can detect the latest refrigerant R32, R1234yf.
·Operating temperature & humidity: 0-0.5℃
·Battery life: About 8 hour in a single charge. auto OFF after 10 minutes of inactivity.
·Response time: Less than 1s.
·Warm up time: 30s;automatic calibration.
·Overall size: 95.2x44.6x190.5mm.
·Probing rod length:393.7mm