Mini Digital LED Display 4 Bits 0-100V Voltmeter Panel Volt Voltage Meter, 0.56”, 501 Original

Mini Digital LED Display 4 Bits DC 0-100V Voltmeter Panel Volt Voltage Meter Tester Detector for Car HomeSpecification:Protection mode: wrong reverse wiring, Voltmeter does not work, will not damageMeasured voltage range: 0 V - 100 V DC voltageDisplay mode: 0.000-99.99-100.0Working voltage: 4-30V (recommended range 5V-12V)Refresh speed: 3 times / secondTest accuracy: 0.3% (maximum error = range X0.003)Internal resistance of the head: 130KAperture size: 57.8*26mm/2.27*1.02\\'\\'Shell size:0.36inch: 40.5*23*20mm/1.59*0.9*0.78\\'\\'0.56inch: 60*29*21.5mm/2.36*1.14*0.84\\'\\'Display window size: 49*18mm/1.92*0.7\\'\\'Weight: 12g (0.36 \\\"); 21g (0.56\\\")Product material: ABSNote: Please allow slight size differs due to manual measurement.Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understand. Package Content:1 x Voltage Meter