?This is a delay timer module with high performance， which is convenient and practical for users. <br><br><strong>Features:</strong> <br>When powered on， the relay delay-on or delay-off. <br>Delay time is adjustable from 0 to 10s. <br>Potentiometer adjusts the output time， increase resistance of potentiometer can prolong the delay time. <br>With input power indicator and relay closed indicator. <br>On the backside， with anti-reversal diode to protect circuit. <br>To ensure stability， industrial grade PCB board. <br><br><strong>Specifications:</strong> <br>Type: Delay-ON / Delay-OFF (Optional) <br>Main Chip: NE555 <br>Working Voltage: DC 12V <br>Delay Time: 0-10s <br>Output Capacity: Can Control the Load within AC 220V 10A <br>Standby Current: 12mA <br>Working Current: 50mA <br>Working Temperature: -40~85°C <br>PCB Size: 75 * 22mm/ 2.95 * 0.86in (L * W) <br>PCB Weight: 20g / 0.73oz <br><br><strong>Package List:</strong> <br>1 * Delay Relay Module