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[5V COIL VOLTAGE] Designed for DC 5V systems this 1 channel latching relay module matches common low voltage supplies and helps provide reliable switching in compact control projects. [10A CONTACT RATING] Supports load current up to AC 10A and DC 30V 10A giving practical switching capacity for LED circuits DC motors smart home devices and equipment control. [1 CHANNEL SWITCHING] This 1 channel flip flop relay board offers simple bistable on off control with a compact layout making it suitable for single circuit switching applications. [LOW PULSE ] Built as a low pulse module the relay changes state with each pulse press once to pull and hold press again to release and hold for easy step by step control. [SELF LOCKING DESIGN] With bistable self locking action and standby current of 1UA this board keeps its last state without continuous triggering ideal for automotive electronics emergency lighting and MCU projects.