1. DC voltage: 0-620V (manual mode), 0.5-620V (automatic mode)2. AC voltage: 0-620V (manual mode), 0.8-620V (automatic mode)3. Resistance: 0-9.9994. Infrared temperature measurement: -20 to 400 degrees Celsius5. Object distance ratio: 12:1 (silicon lens)6. Automatic shutdown: 5 minutes7. Battery: built-in 1100mA 3.7V lithium battery, additional 2xAAA batteries installed (not included in this product)8. With laser pointer, dual-screen display of real-time temperature and maximum temperature value9. Dual power supply system, automatically switching power supply10. Widely used in lighting industry, electronics and electricians, home maintenance, car maintenance, etc.Specification: Package Weight One Package Weight 0.45kgs / 1.00lb One Package Size 19cm * 10cm * 5cm / 7.48inch * 3.94inch * 1.97inch Qty per Carton 80 Carton Weight 37.00kgs / 81.57lb Carton Size 40cm * 52cm * 42cm / 15.75inch * 20.47inch * 16.54inch Loading Container 20GP: 305 cartons * 80 pcs = 24400 pcs40HQ: 708 cartons * 80 pcs = 56640 pcs