_x000D_ Sales unit: 1 Pcs Product color: black, orange Working voltage: voltage DC12V Flashing frequency: 50C/m-200C/m Working power: 21Wx2+3.4W material: plastic Use: It is the third frequency, the counterclockwise rotation becomes faster, and the clockwise rotation becomes slow. Features: Adjustable blinking frequency of turn signal, using advanced SMD patch technology, with automatic short-circuit protection, automatic overlo ad protection, automatic reverse connection protection, so that the bulb can work more stably. (Without buzzer) installation tips: 1. When installing, the pins must be right, the function of the flasher cannot be realized if the pins are wrong. 2. If the four lights of the flasher are on together, you need to unplug the turn indicator of the instrument panel. 3. B pin is input, L pin is output B is connected to the positive pole of the power supply, L is connected to the positive pole of the lamp, and the negative pole of the lamp is grounded _x000D_