Product Name: Solid State Relay Material: Metal, Resin, Electric Parts Net Weight: 101g Solid State Relay ideal for automatic process control application, a must component for temperature controller and other machinery control system. Highly reliable,compact size designed to offer user maximum simplicity,fast switching, reduced electromagnetic interference. Main Color: White, Silver Tone Working Current: 40A Input: DC 3-32V Output: DC 5-60V Size (Approx.): 60 x 45 x 23mm/2.36 inch x 1.8 inch x 0.91 inch(L x W x T) Package Contents: 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 +/- 1-3cm.