Feature: 1. Large LCD 2000 counts display with switchable backlight, easy to read. 2. Test voltage for your choice: 100V / 250V / 500V / 1000V. Reliable insulation resistance tester with stable performance. 3. Locking function of TEST button, wide measurement range, convenient to use. 4. Perfect overload conservation, widely used for insulation resistance check, such as electric, cable, electrical and mechanical equipment, telecommunication equipment and electrical facilities. 5. Powered by DC 12V or 6 batteries(not included), with low battery indication and 750V AC voltage test. Specification: This professional digital insulation tester has stable performance and reliable result. It adopts the DC Voltage converter of low consumption and high converter ratio inductance energy storage, to change the 9V Voltage to 100V/250V/500V/1000V DCvoltage. Large LCD display with switchable backlight, easy to read. Features: Large LCD 2000 counts display with switchable backlight, easy to read. Test voltage for your choice: 100V / 250V / 500V / 1000V. Reliable insulation resistance tester with stable performance. Locking function of TEST button, wide measurement range, convenient to use. Perfect overload conservation, widely used for insulation resistance check, such as electric, cable, electrical and mechanical equipment, telecommunication equipment and electrical facilities. Powered by DC 12V or 6 batteries(not included), with low battery indication and 750V AC voltage test. Specifications: Brand Name: KKmoon Color: Black + Orange Material: Plastic Display: LCD Display with Backlight, 1999 (3 1/2digit) Range Control: Manual Range LCD Size: 90 * 38mm / 3.5 * 1.5" Output Voltage: DC 100V / 250V / 500V / 1000V Output Current: 250V(R=250kΩ)≈2mA, 500V(R=500kΩ)≈2mA, 1000V(R=1MΩ)≈2mA Insulation Resistance(Ω) Range: 250V: 0.1MΩ～20MΩ, 20MΩ～500MΩ ±(4%+2digits) 500V: 0.1MΩ～50MΩ, 50MΩ～1000MΩ ±(4%+2digits) 1000V: 0.1MΩ～100MΩ, 100MΩ～2000MΩ ±(4%+2digits) Short Circuit Current: ≈2mA Median Resistance: 2MΩ Terminal Position: L, E, ACV, G(750V) AC Voltage(V): 1V-750V ±(1.0%+6digits) Low Battery Indication: YES LED Backlight: YES High Voltage Indication: YES Power Supply: 6 * 1.5V AA Battery (Not Included) or DC 12V Power Adapter(NOT Included) Working Temperature/Humidity: 0～40℃, 30～85%RH Storage Temperature/Humidity: 0～50℃, 30～85%RH Item Size: Approx. 170 * 125 * 60mm / 6.7 * 4.9 * 2.4in Item Weight: 541g / 19.1oz Package Size: 21.5 * 18 * 8cm / 8.5 * 7.1 * 3.1in Package Weight: 844g / 29.8oz Package List: 1 * Digital Insulation Tester 1 * Pair of 10A Test Leads 2 * Alligator Clips 1 * Storage Bag 1 * User Manual (English) Package List: 1 * Digital Insulation Tester 1 * Pair of 10A Test Leads 2 * Alligator Clips 1 * Storage Bag 1 * User Manual (English)