RM4V 4-Channel Relay Module 5V/12V/24V

From the shop's description

RM4V 4-Channel Relay Module 5V/12V/24V RM4V is a simple cheap Relay driver module. It supports four output relays that can be used to control AC and DC electrical devices such as lamps, motors, locks, solenoids. RM4V may be powered from 5V, 12V, 24V DC supply. Features Four output relays rated for 5A contacts (resistive load). Various power supply source (5V, 12V, 24V). Normally open and normally closed contacts are available. LED indicator for each relay status. Dimension: 95 x 60 x 17 mm. PINOUT Specifications Parameter Value Channels 4 Relay Contact Rating 5A@resistiveload Supply Options 5V,12V,24V (selectable via jumpers) Minimum Supply Current 500mA Input Voltage Range TTL / 5–24V Input Type Logic or dry-contact switches Contact Types NO / COM / NC per channel Indicators 4× SMD LED (one per relay) Dimensions 95mm x 60mm x 17mm Mounting Screw-clamp terminals; PCB mounting Applications Home automation relay control for lights, pumps and actuators. Lighting control panels and timed switching systems. Garden equipment switching and small motor control. PLC breakout and low-voltage automation projects. Prototyping and educational labs requiring simple relay outputs. Package Contents 1x RM4V 4-Channel Relay Module 5V/12V/24V.