PRODUCT NAME Bicycle Aero Helmet APEARANEC PARAMETERS Material: PC+EPS Product size: 283.7*228.2*150.7mm Size specification: L52-62cm Product weight: Helmet net weight 350g Remote control shell: ABS plastic + silicone button + PP plastic holder LED lamp beads: 24 RGB (2528) lamp beads Packing size: 29*23*16cm FUNCTION PARAMETER Light board: FPC flexible PCB Motherboard: 1 button function mode Type-c continuous charging interface Waterproof grade: IP57 (circuit board nano-coating waterproof) Motherboard battery: 3.7V/ 1000mAh 11 hours of battery life Remote control battery: 3.7V/200mAh battery life for 6 months Remote control PCB board: 5 button function mode Type-c continuous charging interface Working temperature: -20 degrees --- 50 degrees Buzzer: high frequency Antenna: 10m 433MHz RF Key: PET waterproof key film PRODUCT FEATURES ADVANTAGES The United States imported super high-density EPS+0.8mmPC face shell integrated safety helmet Using 180-degree semi-circular arc multi-dimensional turn signals to design all-round safety warnings Handlebars Wireless Remote Control Function Buttons Plus Helmet Steering Sound Superhuman-Machine Perception Experience Wireless remote control design Built-in rechargeable polymer battery lasts up to 180 days The LED light strip adopts 24 independent chips of RGB2825 lamp beads, and adopts the marquee-style steering to shock the light effect. LED main control board and flexible light board use full nano-coating waterproof to reach IP57 The host has a built-in 3.7V/1000mAh reciprocating rechargeable polymer battery with a working life of 11 hours The remote control and host use 10m 433MHz RF technology; different wireless RF technologies can be customized according to different countries PACKING way:Boxed Helmet host+remote control+Type-c charging cable+Chinese and English bilingual manual