Timer switch relay 1 to 50 sec Delay OFF Positive pulse activate 12V How it works: When the power is on, timer waiting triggering impulse +12V. Upon receipt of the impulse, relay turns on and remained in that position until the set time expires. After the time expires the relay is turned off and remains ready (waiting triggering pulse). If the pulse remains for a long time, after the time has elapsed the relay remains on. When the pulse drops, the relay immediately turns off. It is activated again when there is a new pulse. LED indication for activated relay. Time delay between 1 and 50 seconds. Time is adjusted by trimmer. Fully assembled. PVC box included. Dimensions - 55 x 35 x 20 mm. The output, is relay with: - Normally open contact - NO. - Common contact - COM. - Normally closed contact - NC. Power supply - 10 to 14V DC. Current in standby (relay is turned off) - 8mA. Current with activated relay (relay turned on) - 48mA. Relay: 15A/125V DC, 15A/24V DC or AC, 10A/250V AC. This item Fully assembled (ready built), look pictures. This price for one piece. We have a different type Time Relays. Please check our listing. Package Content: - 100% Brand New in original packing. - English Instruction Manual. - 1x Timer switch relay 1 to 50 sec Delay OFF Positive pulse activate 12V. Shipping: - All items will be checked before packing. All items are new and of high quality manufactured by us. - We will ship within 1-3 business days upon receipt of payment, excluding weekends and public holidays. - We only send by registered mail or courier, with tracking number. - Delivery time is from 5 to 30 business days depending on the destination. Customer Services: - Please contact us, we will assist you in any way possible and aim to answer all emails within 24 to 48 hours.