12 24V Motorcycle Digital LED Voltmeter Ammeter, 2 in 1 Current Tester and Voltage Tester, 0 15A Round Panel Red Display for Car Automobiles Truck Boat Marine Auto

【2-in-1 Ammeter & Voltmeter】-- Built-in LED digital display with voltmeter and ammeter, shows the accurate voltage status of device in real-time, better avoid emergent dead battery at starting Car engine 【Clear 3-Bits LED Display】 -- High-precision 3-Bits Display, LED digital tube, lamp display is red, provides the accurate data of device in real-time, prevent your motorcycle or car from starting hard 【Strong Safety Built-in safeguards protect your devices against excessive current, overheating, and overcharging, over-loaded protection,ensuring the service life of your car battery 【Durable, Practical & Longevity】-- High temperature resistant, made of Eco-friendly & flame retardant ABS plastic and good conductivity pins with black matte treatment, wear and tear resistant for long lasting durability 【Multi-functional & Install Prompt】-- Works for DC 12V-24V/0-15A, Universal for Motorbike Car / Boat / ATV / UTV / / Caravans / Travel Trailer etc; Mini size and easy to install, with no installation notes