Dual Battery Voltmeter Monitor 12VDC for Main and AUX Battery

DUAL 12-volt DC voltmeters with LED display. Universal for any 12-volt project. Easily fits in dash panels. Similar in size to a cigarette lighter. Waterproofing allows it to be used on motorcycles or boats to monitor battery voltage. Circular housing makes it easy to mount. DUAL 12-volt DC voltmeters LED Universal for any 12-volt project. Easily fits in dash panels. Similar in size to a cigarette lighter. Waterproofing allows it to be used on motorcycles or boats to monitor battery voltage. Circular housing makes it easy to mount. Features two (2) mini voltmeters in one housing. Easily monitor voltage from two sources such as alternator and battery, or main battery and auxiliary battery, or two separate amplifiers. Specifications 5-30v DC operation range Two 3 digit digital displays Anti-reverse, anti-short circuit protection ABS and nylon housing. Impact resistant and IP67 rated for water submersion up to 1 meter Operating temp -25~80C Accuracy class 0.1 Mounting hole dia