AC Digital Voltmeter AD26B-22VM 1. Certification for Voltmeter: CE CCC 2. Voltmeter Diameter : 22mm 3. Display Type: Three led digitats 4. Measuring Voltage: AC 0-500V 5. Accurancy Class:1.5 6. Vibration Frequency:60 Hz 7. Head Protection Index:IP65 8. Material of Shell: Plastic ABS 9. Display Color: Red, Yellow,Blue, White 10. Operating Temperature -25 Celsius + 55 Celsius No freezing 11. Enviroment Humidity:from 45 to 85 Percent RH No freezing 12. Life of continuous working: 30,000 hours Packaging and Shipping Details 1. 10pcs/box 1000pcs per CTN 2. Carton: 67*33.5*33cm Weight: 20 KG 3. Shipping within 7 days 4. By sea,By air or By Express ( DHL,TNT, UPS Fedex) Services 1. Free samples are available ! 2. All staffes are experienced. 3. Products are 100 percent checked and tested before launching. 4. The materials such as Led chips,Capacitors,Resistors,ABS are good. 5. Payment:30 percent deposit in advance,70 percent balance before shipping.