RD UM25 for APP USB 2.0 Type-C LCD Voltmeter Ammeter Voltage Current Meter Battery Charge USB Tester （Without Communication Version） GT2-6mm Belt Width 36 Teeth 6.35mm Bore Timing Pulley IoT Environmental Monitoring Stations displaying

IoT Environmental Monitoring Stations displaying real-time temperature

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RD UM25 for APP USB 2.0 Type-C LCD Voltmeter Ammeter Voltage Current Meter Battery Charge USB Tester （Without Communication Version） GT2-6mm Belt Width 36 Teeth 6.35mm Bore Timing Pulley IoT Environmental Monitoring Stations displayingRD UM25 for APP USB 2. 0 Type C LCD Voltmeter Ammeter Voltage Current Meter Battery Charge USB Tester Without Communication Version The RD UM25 is a professional grade USB power meter designed to measure voltage, current, power consumption, and energy capacity across USB Type C and USB 2. 0 connectors with high precision LCD display output. Electronics engineers, battery technicians, and product developers rely on this tester to diagnose charging