Product Name: Solid State Relay; Model Number: -1 D4825; Material: Metal, Plastic Frequency: 50/60Hz; Load Current: 25A Load Voltage: 24-480V AC; Control Voltage: 3-32V DC Hole Diameter: 4.4mm Total Size: 58 x 45 x 32mm Net Weight: 82g;/Pcs Package Content: 2 x Solid State Relay Only the above package content, other products are not included. Note: Light shooting 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 +/- 1-3 cm.