Descriptions:1. New upgrades to simplify,to meet customer needs. 2. Increase the supply anti-reversefunction. 3. The use of opto isolated input and output,enhanced anti-jamming capabilit consumption. 4. Set parameter after power for ever memories. 5. Signal terminal voltage signal can be maintained for a longtime. 6. to ensure stability,industrial grade board,class PLC. Product parameters: 1. Size:64.2mm*34.8mm*18.5mm. 2. Relay Specifications:AC 220V 10A or DC 30V 10A. 3. Quiescent Current:20mA,Operating Current:50mA. 4. Working voltage:10~16V (if other ranges can be customized). 5. Signal voltage:4V~20V (if other ranges can be customized). 6. life:about100,000times,Working temperature:-40~85'C. Working mode selection:After power on,long press K12 seconds later into the select function mode,P1-1~P1-4forchoose. P1-1 operating modes:a signal to trigger relay, time is up,the relay disconnect users,You can set relay time T,click K2 the hundreddigital tube starts flashing,then press K3, the hundred digital change;click K2 ten digital tube starts flashing,then press K3,ten digit changes;click K2 bit digital tube starts flashing, then press K3, single-digit change;then click K2,; digital pipe does not blink,then press the K3, shifting the decimalpoint,the decimalpointin abitindicates 0-999minutesin ten represents 0 to 99.9 seconds withou tadecimalpointrepresents 0-999 seconds;goodchoice,bringing the time setting is completed.Short press K1,enterfunction offine-tuning settings,triggerthedefaultdelayperiod is invalid, press K1, during the delay trigger active(re-timing),clickon the K1, during the delay reset (timer turned off,the relay reset) press again to repeat the default settings for the first time. P1-2 operating modes:Asignal trigger ,digital countdown begins,X seconds after,there lay open Y seconds,then close.Users can set the relay