?<strong>Features:</strong> <br> Digital display DC voltage detection£¬ control the relay output. <br> Adjustable voltage limit: 0-99.9V. <br> When the measured voltage is lower than the lower limit or higher than upper limit value£¬ the relay works. <br> Can be used for voltage detection switch£¬ battery over/under voltage protector or discharge meter. <br> <br> <strong>Notice:</strong> <br> The relay control panel features single mode voltage detection function. <br> Max. trigger current is 10A(AC 277V£¬ DC 30V)£¬ please don't connect it with load over DC 30V. <br> This relay module is not suitable for lithium battery discharge. <br> Polarity for voltage detection can't be connected reversely£¬ user should connect the wire after power off. <br> <br> <strong>Specifications:</strong> <br> Relay Voltage: DC 12V <br> Working Power: DC 10-16V <br> Voltage Detection Range: DC 0-99.9V <br> Error: +/-0.1V <br> Timing Range: 0-999 minutes cycle <br> A set of transformations(normally open/normally closes) <br> Contract Load: 10A/277V AC£¬ 10A/30V DC <br> Contract Resistance: ¡Ü100m¦¸£¨1A-6V DC£© <br> Mechanical Durability: &gt;10 million times <br> Electrical Durability: &gt;100£¬000 times (10A-250V AC) <br> Standby Current: 16mA 12V£¬ Digital Display Closed Smallest 6mA/12V£¬ Relay Timely 45mA/12V <br> Working Temperature: -40-85¡ãC <br> Dimension: 50 * 40 * 20mm <br> Weight: 27g / 0.95oz <br> <br> <strong>Package List:</strong> <br> 1 * Relay Switch Control Module