Car LED Waterproof Dual Voltage Three-Digit Mini Round Waterproof LED Panel Digital Voltmeter Tester Monitor Display Voltmeter _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Features: _x000D_ _x000D_ Mini size and easy to install, great working for control Voltage. _x000D_ It is suitable for 12V-24V. Mini size, easy to install, perfect for checking voltage. _x000D_ Mounted to the panel, nylon retaining nuts hold the gauge in place. _x000D_ Battery status between full charge and discharge _x000D_ The meter has easy-to-read LED segments and connects to your 12 volt system. _x000D_ Used to monitor battery voltage, with reverse connection protection, the line will not be burned. _x000D_ The battery voltage status can be grasped in time, and it can also be used for voltage measurement of other products. _x000D_ _x000D_ Specification: _x000D_ _x000D_ Input voltage:12V-24V _x000D_ Operating temperature:-40-- 80 _x000D_ Shell color:Black _x000D_ Aperture color:Red,Blue,Green _x000D_ Material:ABS _x000D_ Hole size:27mm/1.06inch _x000D_ Size:3.7cm/1.46inch x 3.6cm/1.42inch. _x000D_ _x000D_ Package Included: _x000D_ _x000D_ 1 x Car Digital Voltmeter _x000D_ _x000D_ NO Retail Box. Packed Safely in Bubble Bag. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_