BESTEP C25 12V Normally Open Trigger Delay Relay Timer Electronic Module Vibration Board For Home Smart

Manual: http://myosuploads3.banggood.com/products/20190219/20190219034014C255V9V12V.pdf Applications: This module is a switch instant turn-on trigger delay module, which can be applied to home intelligent systems, anti-theft alarm delay, door control system, automation equipment control, PLC industrial control, electronic development and so on. Description: 1. Using advanced high-quality timing chip control, accurate timing, performance is much better than 555 chip; 2. The trigger terminal has optocoupler isolate and strong anti-interference ability; 3. The module can be triggered by using a normally open type switch or sensor; 4. With 8 time range selection, the shortest 0.1 seconds, up to 1 hour; 5. With anti-power reverse protection diode, better protection module; 6. Can be connected to a large current load (250VAC 10A or 30VDC 10A); 7. Has a delay adjustment potentiometer, adjust clockwise to increase time; 8. The output relay has normally open, normally closed selection; Package includes: 1 x Trigger Delay Relay