Technical Parameters: Power supply: 2 AAA alkaline batteries Coding: rolling code Frequency: 433.92MHz Propagation distance: 100m Protection level: IP44 Dimensions: 163mmx38mmx25mm 1. There are 9 built-in levels and 1 custom level 2. When the wind speed continues to exceed the set wind speed for 6s, the sun canopy automatically closes 3. The transmitter can turn off the vibration sensor 4. Uninterrupted signal connection with Yangpeng motor to protect Yangpeng