YW16 is a new arrival 4G product which designed  for bicycle. It has 2 parts: turn signal light and remote conrtoller. The turn signal light is the main part with a 2,400mAh battery and 4G GPS chip. YW16 with a state-of-the-art 4G LTE technology which monitors location with pinpoint accuracy and goes anywhere discreetly while giving you real-time updates. 

Specifications

Application: Bicycle

Network Band: FDD-LTE: B1/B3; TDD-LTE: B38/B39/B40/B41; GSM/EDGE/2G: B3/B8

Waterproof: IPX4

Battery: 2,400mAh

GPS accuracy: 5m 

Working Voltage: 12-95V

Battery Life: 7 hours if the light always shining

Humidity: 5%--95% non-condensing

Size: Tail Light 4.5*1.25*1.3 inch  Controller 1.5*1.9 inch

Gross weight: 270g