1This halogen gas detector could detect most halogen gases containing chlorine, fluorine and bromine. 2It can detect ethylene oxide leakage of hospital disinfection equipment and SF-6 in high-voltage circuit breakers. 3Detects all types of halogenated refrigerants, including, but not limited to, CFK, HCFC, and HFC. Also detects cleaning agents used in dry cleaning applications. 4Low power consumption circuit design, so that the work more stable, more durable battery. 5Adopting high quality sensor, high sensitivity and long service life. 6With precise, extremely low-power IC design, can be automatically set to the best optimal detection state.Condition: 100% Item Type: Halogen Detector Material: Plastic Color: As shown in the picture Size: Approx.15.5x35x3.5cm / 6.1x13.8x1.4in Weight: Approx.236g/8.3oz Working Temperature: 0 C ~ 52 C Maximum Sensitivity: 6 g / year (halogen-containing refrigerants) Response Time: Immediately Operating Mode: Continuous, unlimited Fixed Probe Length: 20 cm/7.87 in Preheating Time: About 6 seconds Reset the Time: 2-10 seconds Power Supply: 6V DC, 4 x AAA batteries (Not Included) Leakage Warning: When the gas leak is detected, the "di di" sound will become faster. More refrigerant CFC leak, faster. Meanwhile, the indicator light flashes quickly. 1 x Halogen Detector with Probe1 x Cloth Bag1 x Instruction Manual1. Please allow 1-2cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.