20A Digital Voltage Meter Indicator, Power Energy Voltmeter Ammeter, Current Amps Volt Wattmeter Tester Detector Black Batteries LTE1700/2100 (B66) Data Transfer GPRS

LTE1700/2100 (B66) Data Transfer GPRS WLAN Wi-Fi 802

25 x 3*4*2

2 V Power Supply 4*18650 Current 3 A Theoretical Lumens 2000-2500 lumens Actual Lumens 2000-2500 lumens Runtime 8-10 hours Number of Modes 4 Mode Arrangement Hi

UV LED Type Others

widely used for bookshelves

20A Digital Voltage Meter Indicator, Power Energy Voltmeter Ammeter, Current Amps Volt Wattmeter Tester Detector Black Batteries LTE1700/2100 (B66) Data Transfer GPRSProduct Description Dimensions: Operating Temperature: Output Voltage: Accuracy Class: Measuring Energy Range: Model Number: Phase: Three Phase Max Operating Current: 20A 49A Rated Voltage: 230V Power Supply: AC Display Type: LCD DIY Supplies: Electrical P06S 20 20A current, without transformer Description Active power is calculated as: P = U*I*cos, cos represents the power factor, purely resistive loads (such as incandescent, heater, etc.) the power