Made from strong metal, solid and durable. Compatible DC 12V-24V LED rotary dimmer switch. Can be used to adjust LED lights' brightness, 0-3% - 100% step-less adjusting, by adjusting lumen output so as to save power and extend LED's serving life. The PWM number darkens, avoiding shock current and protecting your LED lights Suitable for single color led lights and strip lights, can be apllicated to home, commercial lighting area and leisure place ect. Specification: Material: Metal Size: Approx: 85x60x20mm / 3.35x2.36x0.79 inch Working Temperature: -20~60 Voltage: DC 12-24V Input Current:<30A Output Power: 12V<360W,24V<720W Package Includes: 1 Piece LED Dimmer 1 Piece User Manual Note: Since the size above is measured by hand, the size of the actual item could be slightly different from the size above. Due to the lighting effects, monitor settings, etc. There could be some slight difference in the color of the pictures and the actual item. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!