• Adjustable Digital display 6-60V 20A PWM DC Brushed Motor Speed Controller Switch Control 12V 24V 36V 48V Forward Brake Reverse For power wheels regulation (20A PWM) KWD 0
• Music Tesla Coil Arc Plasma Coil Desktop Toy Science Education kit Mode Touchable Artificial Lightning Spark Gap Arc Generator Teaching Experiment Tool Teen boy Gifts KWD 14.500
• -28% DC DC Buck Boost Converter Variable Voltage Regulator CC CV 0.5-30V 4A 5V 6V 12V 24V Power Module Adjustable Voltage Regulated Laboratory Power Supply KWD 6.500 KWD 9
• Adjustable 4-20mA Signal Generator Current Voltage Analog Simulator 0-10V/0-22mA Signal Sources for Value Adjusting PLC Controller Panel LED Testing Calibration KWD 11.500
• 0.01Hz-500kHz DDS Signal Function Generator 7.83HZ Schumann Resonator Frequency Generator Portable Multifunction Waveform Generator,Ideal for Oscilloscope Calibration, KWD 15
• -18% DC 8-120V 0-100A Battery Monitor Digital Current Voltage Power Energy Meter Multimeter Ammeter Voltmeter with 100A Current Shunt KWD 7 KWD 9
• DC 5-30V 4A Stepper Motor Driver Controller Integrated Board Forward/Reverse Pulse Speed Angle Control Module PLC Serial Communication for NEMA 17 23 Motor KWD 10.500
• Color Display Adjustable 90W DC DC Buck Boost Power Converter CC CV 0.5-36V 5V 6V 12V 24V Power Module Regulated Laboratory Power Supply KWD 7
• -17% USB C Tester Power Mete DC 4-30V 0-12A Type-C PD QC 2.0 3.0 Current Voltage Capacity Phone Tester Power Detector Battery Test Working Time Ammeter Voltmeter Charger Detector KWD 5 KWD 6
• Battery Monitor Hall Sensor Coulomb Tester DC 9~100v 100A/400A Digital Voltmeter Ammeter Battery Capacity Power Electricity AH Voltage Meter Coulometer for RV,Car,Golf Cart,Boat KWD 12.500
• Digital Single Phase Energy Meter Tester Electricity Usage Monitor AC 110V 40V~300V 100A Ampermeter Power Voltmeter Ammeter Voltage Amps Watt Kwh Frequency Power Factor Meter Multimeter (Built-in CT) KWD 9.500
• -13% Adjustabe 4000W AC 110v Motor Speed Controller Angle Grinder, Hand Electric Drill Polishing Machine Fan Speed Controller Variable Speed Control Switch with Overload Protection KWD 10 KWD 12
• -18% AC 110V 100A LCD Display Opening CT Digital Voltmeter Ammeter Voltage Current Tester Power Energy Frequency Wh Meter Power Monitoring Instrument KWD 7 KWD 9
• Adjustable 90W DC DC Buck Boost Power Converter CC CV 0.5-36V 5V 6V 12V 24V Power Module Regulated Laboratory Power Supply KWD 8.500
• T100 Four-Stroke Spark Plug Tester Engine Eetector Ignition Detection Detection Ignition Signal Flameout Voltage Gasoline Engine Natural Engine KWD 10