，  to will  in 5 <br /><br />features:<br />1. increase the supply anti-reversefunction.<br />2. use opto isolated input and output，enhanced anti-jamming capabilit consumption.<br />3. set parameter after power for perdurable memories.<br />4. signal terminal voltage signal can be maintained for a longtime.<br />5. to ensure the stability of industrial grade board， class plc.<br />6. working mode：<br />working mode selection:after power on，long press k12 seconds later into the select function mode，p1-1~p1-4forchoose.<br />p1-1 operating modes:a signal to trigger relay， time is up，the relay<br />disconnect users，you can set relay time t，click k2 the hundreddigital<br />tube starts flashing，then press k3， the hundred digital change;click k2<br />ten digital tube starts flashing，then press k3，ten digit changes;click k2<br />bit digital tube starts flashing， then press k3， single-digit change;then<br />click k2，; digital pipe does not blink，then press the k3， shifting the<br />decimalpoint，the decimalpointin abitindicates 0-999minutesin ten<br />represents 0 to 99.9 seconds withou tadecimalpointrepresents 0-999<br />seconds;goodchoice，bringing the time setting is completed.short press<br />k1，enterfunction offine-tuning settings，triggerthedefaultdelayperiod<br />is invalid， press k1， during the delay trigger activere-timing，clickon<br />the k1， during the delay reset timer turned off，the relay reset press<br />again to repeat the default settings for the first time.<br />p1-2 operating modes:asignal trigger ，digital countdown begins，x<br />seconds after，there lay open y seconds，then close.users can set the relay<br />time x，y;p1-1different time settings similar to the blue lights that set<br />the relay time，blue light indicates setting relay off time. short press k1，<br />enter function offine-tuning the set，the default trigger is invalid during<br />the delay，pressk1，during the delay trigger activere-timing，then click<br />the first repeat default settings.<br />p1-3 operating modes:open x seconds，disconnect yseconds， infinite<br />loop.users can set the relay timex，y;time setting similar to p1-2.short<br />press k1，enter function offine-tuning set，the default function is:set up<br />an electric circuit the relay first open， press the k1，there lay first<br />close.press again to repeat the default functionality.<br />p1-4 operating modes:a signal to trigger the relay open but do not start<br />the timer，when the trigger signal disappears，digital count down begins，x<br />time after，the relayclose; during the delay，again to the signal，digital<br />count down canceled， stays energized， the signal disappears， restart<br />count down; equivalentto release the button to start timing， commonly<br />usedin power-offdelay.users canset the relay time x; time setting similar to p1-1.<br /><br />specifications:<br />-size: 64.2mm x 34.8mm x 18.5mm/ 25.28&amp;quot; x 13.7&amp;quot; x 7.28&amp;quot;<br />-relay specifications: ac 220v 10a or dc 30v 10a.<br />-quiescent current: 20ma，operating current:50ma.<br />-working voltage: 10~16v if other ranges can be customized.<br />-signal voltage: 4v~20v if other ranges can be customized.<br />-life: about100，000times，working temperature:-40~85'c.<br /><br />package includes:<br />1 x dc12v delay timer control switch module