ITEM NAME:Channel SSR Solid State Relay low Trigger 5A 12V For Arduino UNO R3 100% brand new and high quality Material: Electrical Components Color: See Pictures Using FR-4 double-sided circuit boards Using high-quality solid-state relays 5A The input and output are using KF128-3.81 Terminal Block, wiring more convenient Using SS8050 1.5A high current transistor for switching transistor, quality is more stable The board has four screw holes. Size: See the picture No Retail Package Quantity:1Pc Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 1Pc x Channel SSR Solid State Relay low Trigger 5A 12V For Arduino UNO R3 New.Using high-quality solid-state relays 5A. Using FR-4 double-sided circuit boards. Also note that monitor settings may vary from computer to computer and may distort actual colors. The board has four screw holes.