The sensitivity can be adjusted by potentiometer, clockwise to increase. High quality relay, which can withstand load of 1500W, meeting the requirements of most people. Easy to operate, anti-aging and long service life, you can use with confidence. Professional chip set provides excellent performance in the system. Adopt high-quality materials, effectively avoiding corrosion and wear, durable to use. Features: 1. The sensitivity can be adjusted by potentiometer, clockwise to increase. 2. High quality relay, which can withstand load of 1500W, meeting the requirements of most people. 3. Easy to operate, anti-aging and long service life, you can use with confidence. 4. Professional chip set provides excellent performance in the system. 5. Adopt high-quality materials, effectively avoiding corrosion and wear, durable to use. 6. Equipped with display light lights, red for power supply, and green for relay pick-up. 7. Precise cut and interface ensure perfect applicability, suitable for installation location and easy to install. Specification: Item Type: Module Model: Light control switch module kit Power Interface: 5V Product Weight: Approx. 23g Package List: 1 x PCB Board 1 x Other Accessories Kit Features: 1. The sensitivity can be adjusted by potentiometer, clockwise to increase. 2. High quality relay, which can withstand load of 1500W, meeting the requirements of most people. 3. Easy to operate, anti-aging and long service life, you can use with confidence. 4. Professional chip set provides excellent performance in the system. 5. Adopt high-quality materials, effectively avoiding corrosion and wear, durable to use. 6. Equipped with indicator lights, red for power supply, and green for relay pick-up. 7. Precise cut and interface ensure perfect applicability, suitable for installation location and easy to install. Specification: Item Type: Module Model: Light control switch module kit Power Interface: 5V Product Weight: Approx. 23g Package List: 1 x PCB Board 1 x Other Accessories Kit