- - - - [High Accuracy] Ensures strong stability and practicality. [High Reliability] 5V 2 channel self-locking relay module for stable performance. [Durable Material] Made of high-quality material for long-lasting use. [Practical Design] Easy to install and convenient to use for home automation. [Low Pulse Actuator] Actuator mode for reliable and convenient operation. Spec: Condition: Brand New Item Type: Relay Module Material: Metal Working Voltage: DC 5V Working Current: 1 relay pulls in 70MA, 2 relays pull in 140MA Static Working Current: 0.2mA Relay Load Current: AC /10A, DC 30V/10A Actuator Mode: Low Level Actuator Pin Description: V: Power positive G: Power negative and Actuator signal ground terminal; T (T1/T2/T3/T4): Actuator signal input (0.2-2s low pulse) NO: Relay normally open port COM: Relay common port NC: Relay normally close port Instructions: When the power is turned on, the relay is turned off. Click the Actuator port (T1/T2/T3/T4 port) to pull in relay (and hold), click the relay again to disconnect, and so on. Package List: 1 x Relay Module [High Accuracy] Ensures strong stability and practicality. [High Reliability] 5V 2 channel self-locking relay module for stable performance. [Durable Material] Made of high-quality material for long-lasting use. [Practical Design] Easy to install and convenient to use for home automation. [Low Pulse Actuator] Actuator mode for reliable and convenient operation.