A:An emergency video is a normal video that is being recorded plus another 30s video. Therefore, its minimum length is 31 seconds, and its maximum length is 1 minute and 30 seconds.
Xiaomi 70Mai Tire Pressure Monitor Sensor TPMS Safe System USB Solar Charging Smart App70MAI is xiaomi ecological chain company
Solar power and USB dual charging mode, convenient and environmentally friendly
● Adopts car gauge level sensor to support intelligent wake-up, intelligent interconnection, real-time monitoring, dual charging and other functions.
● The receiver adopts two-color negative display technology to support real-time monitoring pressure and temperature of 4 tires
● Support 1 second to monitor rapid air leak, accurate to 0.1Bar
● Support battery high-temperature protection, when high temperature up to 60 Deg.C, battery stops charging, also supports intelligent wake-up, when the car starts, the receiver in the sleep sensor automatically wakes up, automatically sleep when stopped
● Support connection of smart rearview mirror and mobile APP "70mai" ( scan the QR code in the user manual )
● Suitable for vehicles of 4 tires, such as car, off-road vehicle, commercial vehicle, van, station wagon
Specification:
Sensor parameters:
● Working voltage: 2 - 3.6V
● Emission current: 1 - 6.6mA
● Air pressure range: 0 - 8Bar
● Working temperature: -40 - 125 Deg.C
● Working frequency: 433MHz
Receiver parameters:
● Working voltage: 5V
● Working current: 1A
● Working temperature: -20 - 70 Deg.C
● Battery power: 500mAh
● Power supply: solar power / USB
● Wireless connection: Bluetooth V4.2
Package Contents: 1 x TPMS, 4 x Built-in Sensor, 1 x Chinese , 1 x Power Cable, 4 x Sticker