Features: Durable Material: This relay module is made of quality plastic material which is thick durable and has a long service life. Lightweight and Portable: This relay module is small in size light in weight easy to store and carry and can be easily taken to any place for use. Fine Craftsmanship: This relay module has very fine craftsmanship high design and manufacturing requirements and high reliability. Utility: This relay module is small solid and durable with optocoupler isolation. This control module is designed with digital display which can show the number precisely. Wide Uses: This relay is widely applicable which is suitable for electric motor water pump and other control switch. This module can be used in many occasions including home and professional industry work. Specifications: Material: Plastic Size: 65mm * 40mm Working Current: 60mA Working Temperature: -25C-85C Notes: 1. Due to the light and screen setting difference the item's color may be slightly different from the pictures. 2. Please allow slight dimension difference due to different manual measurement. includes: 1 * Relay Module