HoldPeak Contact Auto-range LCD AC/DC Voltage Tester Detector Continuity Test Phase Rotation Test This LCD Voltage Tester can be used to measure the AC/DC voltage conveniently.  Features: Can measure 12-690V AC/DC voltage. Contact auto-range voltage tester, portable e. Can be used for voltage indication, high voltage indication and reference condition. Digital LCD display with backlight for easy reading. Includes RCD test, continuity test, phase rotation test, polarity detection and self-inspection.  Low battery indication and data hold function. With silent mode and pen light. Comes with test probes for convenient measurement.  Specifications: Brand Name: HoldPeak Color: Grey + Blue Material: ABS  *LED Indication Voltage Test: Voltage Range: 12-690V AC/DC Nominal Voltage Europe: 12/24/50/120/230/400/690V Tolerance(Threshold Voltage)Light on at more than: 7±5V(50V LED), 18±5V(24V LED), 37.5±5V(50V LED), 75%±5% of nominal voltage(120/230/400/690V LED) *LCD Display Voltage Test: Range/Resolution: 7-690V/1V(Auto-range) Accuracy(23±5C): (3%+3) or 5V Over Range Indication: All Voltage LED light up Response Time: <1s at 90% of each voltage *High Voltage Indication: Voltage Range  50-690V AC/DC *Phase Rotation Test: System: Three-phase 4-Wire system AC Frequency: 50Hz~60Hz Phase Range: 120±5 degree *Continuity Test: Detection Range: 0-550KΩ(±2O0K) Test Current: Approx. 1.5uA(battery 3V 0Q) *Reference Condition: Battery: 2 * 1 5V(IEC LR03 1 5Vx2) Temperature: -10~55°C Operation, -20~6O°C(Storage No condensation) Humidity: Max 85% RH Altitude: up to 2000m Operating Temperature: -10~55°C / 14~131°F Operating Humidity: ≤85% RH Storage Temperature: -20~60°C / -4~140°F Storage Humidity: ≤85% RH Power Supply: 2 * 1.5V IEC LR03 Batteries (Not Included) Item Size: Approx. 25 * 5.5 * 2cm / 9.84 * 2.17 * 0.79in Item Weight: Approx. 186g / 6.56oz(with test pobes) Package Size: Approx. 27 * 8.9 * 4.3cm / 10.63 * 3.50 * 1.69in Package Weight: Approx. 241g / 8.50oz Package List: 1 * Voltage Tester with Test Probes 1 * User Manual(English)