DC 5–100V Mini LED Voltmeter 3-Digit Green Display Bike & Vehicle Battery Voltage Monitor waterproof temperature sensor Arduino and cool white (6500K) lighting

and cool white (6500K) lighting

Multifunctional: Seamlessly transition between grinding

Doubles as a premium Bluetooth speaker — integrated BLE 5

Compact size makes it easy for kids to hold

and instrument workshops

DC 5–100V Mini LED Voltmeter 3-Digit Green Display Bike & Vehicle Battery Voltage Monitor waterproof temperature sensor Arduino and cool white (6500K) lightingWide Voltage Range: Measures DC 5100V, ideal for bike, car, scooter, UPS, inverter, and DIY battery monitoring. Bright LED Display: Clear 3 digit green LED ensures easy readability even in dark conditions. Compact & Easy to Install: 30mm diameter with simple 2 wire connection for quick mounting in dashboards or panels. Reverse Polarity Protection: Prevents damage from incorrect wiring for worry free use. 1 Year Warranty & Dedicated Support: For