Function: 1. It is a time relay module with high precision, stable and reliable performance 2. Supports input reversal protection and comes with a trigger button switch 3. Turn on the power and press the trigger to turn on the load and turn off the load after the delay time 4. The time range is from 1 second do 10 seconds adjustable with potentiometer; if you need longer time, simply replace the larger capacitor or potentiometer 5. Specification: Characteristics: It is a time relay module with high precision, stable and reliable performance. It supports input reversal protection and comes with a trigger button switch. Turn on and press the trigger to turn on the load and turn off the load after the delay time. The time range is from 1 second do 10 seconds adjustable with a potentiometer; if you need a longer time, simply replace the larger capacitor or potentiometer. Technical data: Operating Voltage: 12 V Load capacity: 10A 250VAC, 10A 30VDC Size: 67.6*19.2mm/2.66*0.75" Quantity: 1 The package includes: 1 x Timer Module