Specifications1 pcs trial fill.1 pc Thermal detector.1pc storage pouch.4pcs 1.5v AAA type batteries.AC Voltage: volt max 750VAC voltage: maximum resolution 0.1 mVDC voltage: volt max 1000VDC voltage: maximum resolution 0.1 mVAC current: amps max 20 AAC current: maximum resolution 0.1 µADC current: m..