MGS SERIES CLOCK GAUGE. SIZES: 52mm (2-1/16″). Clock Gauge Requires 12 Volt Negative Ground Systems. FEATURES: Swiss Stepper Motor Movement. IP67 Waterproof, Rustproof, Anti-Fog & UV-Resistant. Simple Installation By Using Pin-Style Wiring. Adjust the Time with Switch Button. FEATURES: Convex Clear Lens, 304 Black Stainless Steel Bezel & ABS Plastic Housing. Black Gauge Faceplate, White Needle. White LED Illumination. PRODUCT DETAIL: 0 – 12 Hour. PACKAGED: Clock Gauge, Adjustment Button Switch, Power Harness, Fastening Ring, O-Ring, Installation Instructions. Year Limited For Non-Human Factor Damage & Free Technical Support.