Color: As shown in the First image. Quantity and size : As shown in the title or description. Dc 2pole Spd House Surge Protector - Low-voltage Arrester Device Features: Fast Response/withstand Hight Lightning Shock Features: Operating Voltage(UC): 500V, 800V, 1000V Protective Level Up(KV): 3.6 Norminal Discharge Current(8/20s)In(KA): 20 Max Discharge Current(8/20s)Imax(KA): 40 Response Time (s): =25 Operating Temperature: -40°~+80° Sheathing Material: Rein For ced Flame Retardant PBT Installation: 35mm of Rail Dimensions: 3.6x6.7x9cm/1.42x2.64x3.54inch Quantity: 1 Pc Note: 1.Please Allow 0-1cm Error Due to Manual Measurement Pls Make Sure You Do Not Mind Be For e You Bid 2.Due to the Difference Between Different Monitors, the Picture May Not Reflect the Actual Color of the Item Thank You Package Includes: 1 X Surge Protective Device