Status Indicator: The indicator comes in three colors: blue, yellow, and red. Blue means that the vehicle is in normal condition. Yellow means that the batteries in the front compartment need to be replaced. Red means that the vehicle has a performance failure, and you need to open the app to check the cause of the failure and contact the after-sales service. TaillightsRull-color RGB taillight/brake light
 Typical Range: tested while riding under full power, 165.3 lbs (75 kg) load, 77°F (25°C), 60% of max. speed on average on pavement. * Some of the factors that affect range include: speed, number of starts and stops, ambient temperature, etc.
2] Front Compartment Battery: The battery compartment inside the frame that is used to power the frame indicator/headlight. When the battery is low, the blue indicator light turns yellow and blinks. You need to replace the batteries yourself.
 Braking Distance: Under the circumstances of full power, 154 lbs (70kg) load, and measured on a flat hard road at an average speed of 12.4 mph (20 km/h).