4 PCS 805 Micro 0.36 Inch Digital Battery Voltmeter DC 0V-100V Three Wires 3 Digit Voltage Panel Met

4 PCS 805 Micro 0.36 Inch Digital Voltmeter DC 0V-100V Three Wires 3 Digit Voltage Panel Meter LED Display for RC Airplane Car Boat Motorcycle ? ? The voltmeter is small, only 0.36 inches, range DC DC0-100V, 2 and 3-wire generic products, to break the routine voltmeter, is the latest design, can work directly on 5V, 9V, 12V, 24V and other circuits, without regulation. With three wiring, easy access to car / battery car / motorcycle car line, with reverse polarity protection function, line reversed not burn. Used to monitor battery voltage, grasp the battery voltage state, it can also be used for other products voltage measurement applications. ? Feature: Stability, high measurement accuracy Overall standard size, easy installation Power supply protection circuit using a polar NOTE: Three-line voltage range 0-100V, but also for the use of second-line voltage is within 30V, otherwise there is a danger of burning. ? Technical Parameters: Operating voltage: 4.0 ~ 30V (with a reverse polarity protection function) Detection voltage: 0.0 ~ 100V Operating Current: <20mA Display: 0.28 LED, red green blue yellow (colors) Dimensions: 30 ?? 11.7 ?? 9.2 mm (length*width*height) Installation hole: 32.6 ?? 14mm Measurement rate: a???200mS / times Accuracy: 3 a??ﾣ Extreme working conditions Low operating voltage: + 4.0V Maximum working voltage: + 30V Working temperature: -10 ~ + 65?ﾣC Humidity: 10 to 80% (non-condensing) Working pressure: 80 ~ 106kPa Sun exposure: no direct exposure ? Package Included 4 x 805 Micro 0.36 Inch Digital Voltmeter DC 0V-100V Three Wires 3 Digit Voltage Panel Meter LED Display for RC Airplane Car Boat Motorcycle