DMG-2SE Digital Refrigerant Charging Kit Air Conditioning Pressure Gauge

Interface:    1/4 SAE*3    
Power Supply:    2x1.5V AAA batteries    
Battery Life: 200 hours (low-power mode)    
Display:    LCD screen    
Main Unit:    Dimensions: 110x75x135mm Weight: Approx. 600g    
Environmental Requirements:    Operating Temperature: -10~50℃ / 14~122°F
Storage Temperature: -20~60°C / -4~140°F
Supported Languages:    English, French, Spanish, Portuguese, Russian, Chinese