Features1Wirelessly control 4 signals (Left, Right, Forward, Stop), reminding passengers and drivers to keep distance. 2Tied on the handlebar of your bike for easier control. 3Lightweight, durable plastic material. 4Great accessory for Lixada reflective signal backpack and vest pack.SpecificationThis remote controller is designed to send 4 signals to the reflective signal backpack / vest pack. It can be fixed on the bike handlebar for easier control.Features:Wirelessly control 4 signals (Left, Right, Forward, Stop), reminding passengers and drivers to keep distance.Tied on the handlebar of your bike for easier control.Lightweight, plastic material.Great accessory for Lixada reflective signal backpack and vest pack.Note: The backpack in the pictures is not included.Specifications:Signal Frequency: 2.4GHZControl Range: 3 metersBattery: 2 * CR2032Package List:1 * Remote ControllerPackage List1 * Remote Controller