for 0-5.0000mA (5mA) Amp Meter Current Tester 5 Bits LED Display Digital Amme Specifications: Measuring current : 0-5.0000mA Input impedance: 1 Euro Operating current: <=15mA Operating : 4-30V Operating temperature : -10℃~60℃ rate: about 3 times/sec Test accuracy: 0.08% Overall dimensions: 48mm*29mm*21mm Installation size: 45.5*26.5mm