Brand N/A Model Relay Shield v0.9b Quantity 1 Color Blue + black + green Material PCB Features Relay Shield is a small current signal control module can achieve singlechip to control large power device; Widely use in singlechip home device; Can be plug to the main board which is compatible with Arduino; 4-channel relay stand Arduino Shield interface; 3-M3 screw hole easy to install; Driven by 5V / 3.3V normally open contact close; With red LED indicator onboard; Note: Please avoid the green terminal short-circuit by the housing as connecting with Arduino UNO main board Specification Power voltage: 4.75~5V; Power consumption (at 5V): 180mA; Opening and closing time per minute: 30 times; Every channel maximum convert voltage: AC 125V / DC 24V; Every channel maximum converts current: 3A Application High performance expansion board; Arduino 4-channel relay module for Arduino English Manual/Spec Yes Other A product for Arduino that works with official Arduino boards. Packing List 1 x Module