China Positioning Cycling Scooter Hiking Sports Helmet with Back Lamp/Track Playback/Electronic Fence/Voice Pickup, Find details about China Well Drilling Helmet, Contruction Helmet from Positioning Cycling Scooter Hiking Sports Helmet with Back Lamp/Track Playback/Electronic Fence/Voice Pickup
Sort | Item | Description |
Positioning | Satellite | Built in positioning module and antenna, support gps/beidou |
Power | Battery | Convenient usb charging port, 500 mah explosion-proof lithium battery fully charged in 2 hours.Maximum power consumption mode is available for more than 8 hours |
The ventilation system | Twelve vent holes | Easy to vent the heat and moisture in the helmet, reasonable vacancy, uniform distribution |
Others | Lighting | Headlight lighting, tail light warning, equipped with 10 led warning lights |
Working temp | It must not exceed 65.6 degrees celsius | |
Casing color | Black/white/red/green | |
Yards/head circumference | M size:54-57cm l size :58-61cm | |
The material | Pc shell +eps shockproof layer |