Test all contain halogen's refrigerants</br>Adjust sensitivity?? all instruments can automatically adjust to the optimum detecting state; Built-in voltage?? high precision and using ultra-low power IC design?? make the work is more stable</br>This Detector is a boot reset and automatic follow function?? can ignore the environment halogen gases concentration level</br>USES the high quality sensors?? the work high sensitivity?? long life expectancy</br>This product has the function of the sensitivity stepless speed regulation?? can adjust in testing</br></br>Product Description</br></br>Item Details: The battery voltage instructi"e lights which on the front of panel used in warning leakage and battery voltage instructions. *Green - battery voltage normal?? suitable for work;Orange - battery voltage close to the limit?? need to work as soon as possible replacementBoot reset/automatic follow circuit: *Boot reset: this instrument after startup?? can automatically adjust to within 6S ignore probe existing circuit?? enter detection concentration level the refrigerant state?? if users in leakage source can be conveniently near boot?? looking for higher levels of the leakage source. The device also moved to