Collecting listings has surprises. Are you looking for a professional, yet affordable refrigerant leak detector? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our refrigerant leak detector must meet your needs. It is one of the best choices for you Features Mode: unlimited – Indicator lights on the front of the panel are used for leak warning and battery voltage indication. Power supply: 4 x AAA batteries (not included) – Fine workmanship, durable and sturdy, not easy to wear or tear, you deserve to have one. It has the function of power-on reset and automatic follow-up, which can ignore the concentration level of halogen gas in the environment. Battery Life: About under normal use Probe length: 20cm Working temperature: 0-52 Celsius degree – The sensitivity can be adjusted at any time, and the instrument can be automatically adjusted to the best detection state. Reset time: 2-10 seconds Response Time: Instantaneous – Built-in high-precision voltage regulator IC and the ultra-low power consumption design make the work more stable and the battery more durable. Warm-up time: about Maximum sensitivity: For halogen refrigerant, 6gr/ -Color: Yellow -Material: ABS – Size: 15.00X4.50X3.50cm/5.89X1.77X1.38in r134a. 1 x refrigerant leak detector.