Just hang the Curtain Driver onto the rail, and start enjoying automated control of your existing curtains based on weather, time, or other Aqara devices triggered. Features: Up to 1-Year Battery Life*: Energy-saving technologies and a huge 6400 mAh battery make the Curtain Driver E1 apparently the most long-lasting controller of its type. You can forget about charging it for up to a year Zigbee 3.0 Protocol: Enjoy the benefits of the fastest, most stable, and energy-efficient smart home technology. Better stability and compatibility (more standardized protocol), longer support, and more features Popular Curtain Track Support**: The Curtain Driver E1 supports practically any type of curtain rails or rods. Rod Version supports all the types, while a more cost-efficient Track Version only supports U- and I-Rails Built-in Light Sensor: The built-in light sensor allows the Curtain Driver E1 to be controlled automatically based on the actual brightness: if it’s too bright outside, the curtains will open by themselves and vice versa! Maximum Load of 12 kg: The Curtain Driver E1 can pull even the heaviest curtains: thanks to its powerful motor, the maximum load can reach up to the record 12 kilograms! Specifications: Dimensions: H:9.6 x W:14.6 x D:0.5 cm Weight: 4.6 kg Colour: 2 Years Material: White Model Number: E71020228
