Suitable use: cycling, camping, hiking, mountaineering, outing, daily leisure Main functions: cycling, climbing, travel lights, turning lights, indicator lights Operating frequency: 2.4 GHz Transmission distance: 3 meters (related to the surrounding environment) Remote control battery: Two 2032 button batteries Receiver battery: Built-in lithium battery (650mAh) Working time: 24 hours Charging: DC 5V 500mA Remote control shell material: PC+ABS Receiver exterior material: nylon, Oxford cloth Product size: 235mm*240mm*15mm Elastic bandage length: 185mm, 300mm (maximum stretch) Indication type: turn left, turn right, forward, stop Product accessories: a remote control, a receiver, a manual, four cable ties Storage temperature: -30 ~ 80 Operating temperature: -10 ~ 60Package List 1*Remote Control; 1*Receiver; 1*Instruction; 4*Tie; Due to the lighting effects and shooting angles, there is a color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size. 11. Wireless signal remote control: The adjustable shoulder straps on the shoulders and waist fit your body perfectly. With smart remote control, connect the wireless transmitter to the handlebar of the bicycle for easy control. 22. Multiple modes : Just press the corresponding button of the wireless remote control on the handlebar, and 4 signal wireless control (left, right, forward, stop) can be carried out. When turning, remind passengers and drivers to keep their distance and let others know how you want to turn without using arm signals. 33. Safety guarantee: This USB rechargeable cycling vest allows you to ride at night. Lightweight backpacks with reflective strips and LED traffic lights on LED cycling vests can provide better visibility and safety at night. 44. Breathable back pocket: The padded mesh back pocket can store your cards and cash while improving breathability and comfort. 55. Easy to assemble: Put the jacket directly on the back or backpack, and use 2 adjustable shoulder straps and 2 waist belts for adjustment.