Features 1、Stable performance, can realize the delay and timing of the circuit on and off 2、High time accuracy, able to accurately control the delay, suitable for various work scenarios 3、The module has module function, turn on the relay immediately after power-on, and automatically turn off after a period of time 4、The center distance of mounting hole is 64mm which is convenient to install and remove 5、The connecting part has good contact performance, ensure stable working and performance Specification Item Type: Relay Module Delay Length: 0-10 minutes Accuracy: 1/100 (that is, 100 levels adjustable within the maximum time range) Error: 2% (normal temperature) Size: Approx. 70 x 26mm / 2.8 x 1in Height: Approx. 18mm / 0.7in Center Distance of Mounting Hole: Approx. 64mm / 2.5in Hole Diameter: Approx. 3mm / 0.1in Module Function: Turn on the relay immediately after power-on, and automatically turn off after a period of time Special Reminder: This is not a power-off delay disconnect module. When the input power is disconnected, the relay will be disconnected immediately Package List 1 x Relay Module