Narva 81109BL Heavy-Duty Accessory Socket With Magnetic Dust Cover
Features dustproof & waterproof cover and heavy-duty construction ideal for both internal or external fitment. IP64 rating and L.E.D Power Indicator. Input: 1224V DC. AMP rating: 20A at 12V, 10A at 24V
Price: $22.95 from Automotive Superstore