This is a delay timer module with high performance, which is convenient and practical for users.Features:New upgrades to simplify, meeting the users' needs.Increase the power supply anti-reverse function.LED digits display, intelligent control, time relay/delay function.The use of opto isolated input and output, enhanced anti-jamming capability and consumption.The last setting parameters can be memorized after power off.Power saving function, one-key switch, can turn off the display.To ensure stability, industrial grade PCB board. Working modes selection: after power on, long press K1 for 2s, later into the selection of modes: P1~3.P-1: Monostable trigger delay, a signal to trigger relay, time is up, the relay disconnect;P-2: A signal trigger and countdown begins, T1 seconds after, the relay open T2 seconds, then close;P-3: Open T1 seconds, disconnect T2 seconds, infinite loop. Users can set the relay time T1 and T2;Specifications:Display: LED Digital DisplayVoltage: DC 12VTiming Range(Settable): 0~999.9 seconds; 0~9999 seconds; 0~9999 minutesRelay Specification: DC 5~30V 10A or AC 220V 10AStatic Current: 20mAWorking Current: 50mAWorking Temperature: -40-85°CPCB Size: 65 * 38 * 18mm / 2.56 * 1.5 * 0.7in (L * W * H)PCB Weight: 26g / 0.93ozPackage Size: 11.5 * 7.5 * 2cm / 4.53 * 2.95 * 0.8in (L * W * H)Package List:1 * Delay Timer Module

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