Features: It is a timer relay module with high precision, stable and reliable performance.It support reverse input protection and comes with a trigger button switch.Power on and press the trigger switch to turn on load, and turn off load after delay time.The time range is from 1 second to 10 seconds adjusted by potentiometer; if you need longer time, simply replace a larger capacitor or potentiometer.Widely used on timer operating equipment, robots, intelligent product development, automation equipment, PLC development, smart home anti-theft alarm delay, electronic development, etcSpecifications: Working Voltage: 12VLoad Capacity: 10A 250VAC, 10A 30VDCDelay Time: 1~10sDue to different batches, the appearance, color, and printed words of the product , which does not affect its use.size: 67.6 x 19.2mmMaterial: PCBcolour: bluePackage Contents: 1 x ModuleOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.