Elitech LMC-300 HVAC Refrigerant Charging Scale with Solenoid 220 Lbs indoor air quality It has an internal buzzer

It has an internal buzzer that are connected to an external audible and visual alarm

Alarm mode: LCD indicator

Service :1-year warranty

1 X PG-30Pro Pressure Gauge (Blue)

Product size: 271*271*74 mm

Elitech LMC-300 HVAC Refrigerant Charging Scale with Solenoid 220 Lbs indoor air quality It has an internal buzzerElitech LMC 300 HVAC Refrigeration Charging Scale with Charging Valve is designed to weigh refrigerant up to 220 lbs (100kg) with 0. 2 oz resolution. The refrigerant scale features lbs, oz, and kilograms units, compatibility with most 9"x9" tanks, and 12 button operation with Power ON OFF, Zero, Lamp, Charge, Recovery and more. Three display modes: kgs, lbs, and oz. Digital charging scale capacity to 220 pounds (100 kilograms). Equipped with