Description Model:SSR-40 DA Output voltage: AC 24-380 V. Output current: 40 A. Input voltage: DC 3-32 V. Control Method: DC to AC. Mounting Method: Bolts fixed. Size:6.5 cm x 4.5 m x 2.2 cm - 2.56 inch x 1.77 inch x 0.87 inch. Feature: 100 New Brand and high quality Long service life and high reliability Highly reliable, compact size designed to offer users maximum simplicity Fast switching Package Included: 1 x Solid State Relay Controller Note: Please allow 0-3 cm error due to manual measurement. pls make sure you do not mind before you bid. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you