Feature: 1. HIGH EFFICIENCY AND RELIABLE: Timer relay module is made of excellent ABS material to ensure efficient and stable performance 2. ACCURATE CONTROL: The timer relay switch module can accurately set the time period and delay to meet user requirements 3. EASY TO USE: The digital timer relay module has a simple interface and user-friendly design, making it easy to set up and operate 4. MULTI-FUNCTIONAL APPLICATIONS: Timer relay module is suitable for various scenarios and widely used in homes, offices, and factories 5. ENERGY SAVING AND ENVIRONMENTAL PROTECTION: The cycle timer relay module features a low power consumption design to save energy and support environmental protection Specification: Item Type: Timer Relay Module Material: ABS Timing Range: 0-999 Seconds, 0-999 Minutes, 0-999 Hours Relay: 20A Product Size: Approx. 79 x 26 x 43mm / 3.11 x 1.02 x 1.69in Hole Opening Size: Approx. 72 x 40mm / 2.83 x 1.57in Package List: 1 x Timer Relay Module