The 1-2pc 12V LED Flasher Adjustable Frequency Relay Turn Signal Indicator is a high-power motorcycle flasher designed for safe and reliable operation. Featuring adjustable frequency, it allows customization of the turn signal blink rate to suit individual preferences. Built with advanced SMD chip technology, it ensures stable bulb performance without buzzing noise and includes automatic short circuit protection, overload protection, and reverse polarity protection. The unit offers three speed modes for versatile use in different conditions and is compatible with LED lights, making it suitable for various vehicles. Installation is straightforward, making it a practical choice for both professionals and DIY users. Constructed from ABS material, it is available in black or orange with a compact size of 35 x 35 x 27mm for easy mounting. Operates on DC 12V with a flashing frequency range of 50 to 200 cycles per minute and a power rating of 21Wx2+3.4W. Designed to connect to the positive power supply and positive light terminal, with the light's negative terminal overridden. B pin is the input, L pin is the output. Adjustable from 50 to 200 times per minute, it helps resolve LED flashing issues. Note that the flasher must be installed in the correct position for proper function. When replacing all four turn signals, the dashboard indicator may need to be removed. Actual product color may vary slightly from images due to monitor and lighting differences. A 1-2cm measurement deviation may occur due to manual measuring. Key Features: - Adjustable frequency - Advanced SMD chip technology - Three speed modes - Compatible with LED lights - Easy installation - Multiple protection functions - High power design - Compact size