Specification:<br />Wireless working frequency: 2.4 GHz<br />Charging: DC5V 500mA<br />Remote control distance:3 meters(depending on the surroundings)<br />Battery:Remote control:2*CR2032 (Included)<br />\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Receiver:Built-in lithium Battery (650mAh)｣ｬ4.2V<br />Size:15 inches<br />Material:Nylon<br />Shell material of transmitter:PC+ABS<br />Storage Temperature: -30\u2103 to 80\u2103<br />Operating Temperature:-10\u2103 to 60\u2103<br /><br />Feature:<br />Turn signal for bike riding｣ｬ traveling｣ｬhiking｣ｬ etc.<br />Turn signal pattern: right｣ｬ left｣ｬforward｣ｬ stop<br />The display is made of LEDs and works in one modes｣ｬ driving. Driving mode shows turn signals｣ｬ forwarding｣ｬ left｣ｬ right｣ｬstop.<br />The display is controlled by a controller tied on the bike｣ｬ so the cyclist never has to take their hands off the handlebar.<br /><br />If the backpack does not work properly｣ｬplease take charge of it.<br />If the remote control does not work properly｣ｬwhen you get it｣ｬ please match code with the backpack:<br />1｣ｬ Turn off the vest (be sure it is in full power status)<br />2｣ｬ Press the turn left and turn right button on the remote together tightly(do not release them until you finish the next step)<br />3｣ｬ Turn on the vest (it will go through the self-test｣ｬ ended in a red emergency light like an Exclamation &quot;!&quot;)<br />4｣ｬ Set free the turn left and turn right button. After all of this｣ｬ please see if the remote works right.<br /><br />How to use it:<br />1. Press the button &quot;on\/off&quot; until the LED self-test.<br />2. Test the sensitivity of controller and receiver.<br />3. Hang on the accessory to your own backpack.<br />4. Achieve warning effect by controlling the backpack accessory.<br />5. Please turn off the power in time after using.<br /><br />Package Included:<br />1*LED Bicycle Warning Backpack Light<br />1*Remote Control