Feature: 1. Wide Application: Relay module can be used in timing, delaying, cycle timing, intermittent timing, raft fishing machine, slow down machine DIY, etc. 2. Convenient: Our digital delay relay is equipped with dual time display in two different color, clear and convenient for you to check and change the setting. 3. Wide Range: Time relay delay is able to tolerate the widest timing adjusting range: 0.001S to 999H, available for various application. 4. Easy to Use: This relay switch is four terminal wiring and setting by buttons, easy and simple for everyone to use it. 5. Automatic and Display: This time delay relay can store the setting automatically. LED digital display, intuitive reading. Specification: Item Type: Time Delay Relay Model: YF-15 Shell Material: ABS Input Voltage: DC 7~27V Universal Output Power: It Can Control DC Load Within 10A Time Range: 0.001 Seconds ~999 Hours Any Time Adjustable. Package List: 1 x Time Delay Relay