SwitchBot Blind Tilt Motorized Blinds are smart electric blinds with Bluetooth remote control, solar power, and light sensing. Add a SwitchBot Hub Mini (sold separately) for compatibility with Alexa and Google Home. Make your blinds smart instantly without replacing existing louvers. Simple installation makes retrofitting blinds easy. Enjoy endless solar battery life with a built-in 2000mAh lithium battery and included solar panel for environmentally-friendly charging. Precise alignment control uses a customized high-precision motor for blind adjustments to the closest 2 degrees. A built-in light sensor automatically adjusts to maintain constant light intensity based on outside conditions. Control your smart blinds via app or timers when in Bluetooth range. Paired with SwitchBot Hub Mini (sold separately), use smart assistants like Alexa, Google Home, and Siri for remote control. Control up to 4 units of blinds with one button via app in Bluetooth range. Set unlimited groups with SwitchBot Hub Mini (sold separately). Specifications: Dimensions: H:77.0 x W:225.0 x D:65.0 cm. Colour: White. Guarantee: 8 Years. Material: Plastic. Model Number: 86581. Self Assembly Required: Yes.