1.DY4100 Digital Ground Resistance Tester can test earth resistance of earth systems including , electric equipments, as well as resistance value of low resistance conductor and AC voltage test. 2.This one has more complete functions, higher accuracy, more convenient and reliable for operation and more suitable for outdoor use with dust and wet proof structure. Feature: Color: as shown Material: plastic 1.Earth Ground Resistance:0/20/200/2000 Ω 2.Resolution;0.01 3.Earth Voltage:0-30V +/-3% + 5 4.Data Hold 5.Function symbol Display 6.Automatic range 7.Low Battery Warning 8.Power: AA 1.5V x 6(UM3)12v x 1(not include) 9.Size:150 x 100 x 70mm 10.Weight: . 680g Package Contents: 1 Set x DY4100 Digital Earth Ground Resistance Tester 2 x auxiliary earth bar 3 x testing wire(red 15-meter testing wire/yellow 10-meter testing wire/green 5-meter testing wire) 2 x simple testing wire(red 1.6-meter testing wire/green 1.6-meter testing wire) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!