0.28 Inch Mini Digital Voltmeter DC 3V-30V Waterproof LED Display Panel Tester with Reverse Protection for Car Motorcycle Boat Battery Monitoring Red
by JurwheeR
- DESIGNED FOR 12V SYSTEMS: Compact two-wire waterproof voltmeter tailored for DC 12V applications; measures 3.0-30.0V to support battery, alternator and auxiliary power checks., SEALED TWO-WIRE CONSTRUCTION: LONGLASTING ABS body with sealed wiring reduces moisture exposure; integrated reverse connection protection helps reduce risk from incorrect hookups., HIGH-VISIBILITY DIGITAL INDICATOR: 0.28-inch digital display shows clear voltage values for quick diagnostics during startup, charging checks and routine maintenance., ADJUSTABLE CALIBRATION & ACCURACY: Simple rear calibration screw for field fine-tuning; test accuracy near 3% helps users keep track of battery health and charging system performance., MINIMAL FOOTPRINT & STYLE CHOICES: Small form factor (27 x 10 x 13 mm) fits tight mounting locations on cars, boats and motorcycles; select from red, yellow, green, blue or white bezel finishes.


















