Narva Heavy Duty Accessory Socket & 12/24V DC LED Volt Meter - 81145BL.

Heavy-duty accessory socket and 12/24v dc led volt meter easy to read L.E.D volt meter displays accurate battery voltage level for quick reference. Features dustproof accessory socket cover and heavy-duty construction. Amp rating 20a at 12v 10a at 24v volt meter range~6–33v dc