Features: new and high quality. Easy installation Stable performance and high reliability and practical A good direct replacement. Specifications: Type: Solenoid Relay Working voltage: DC12V Temperature Range: -30°C ~+80°C Vibration Resistance: 10~55Hz, 1.5mm Shock Resistance:Operations Extremes: 10g,Damage Limits: 100g Insulation Resistance: 100m ohm Min at 500VDC Dielectric Strength Between Open Contacts 500VAC (for one minute/sec) Between Contact and coil: 750VAC (for one minute/sec) Operate Time: 25ms Release Time: 10ms Material: nylon+metal Color:Black Package Contents: 2 x 12V 500A Car Start Relay Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.