wireless ultrasonic parking guidance system with 470MHz
Product Description
Description:
Group of parking lots shares one LED indicator. If the amount of free parking space is more than 1, the indicator will show GREEN. Otherwise, it will turn RED when the amount is less than or equal to 1.
Technical Parameters:
- dimension: 12cm*12cm*7cm
- working voltage: DC 3.3V
- working current: 200mA
- Working voltage: 5VDC
- power dissipation: 1W
- transmitting power: 5dBm
- working temperature: -40°C~80°C
- communication way: RF communication
- transmitting distance: 30M
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