General description The 110 220v Smart Ceiling Fan Lamp Remote Controller is designed for convenient remote operation of ceiling fan lights. It allows for control from any direction, with signals capable of passing through walls, making it suitable for various settings such as homes, offices, hotels, clubs, and restaurants. Technical specifications Power Supply: 2 x AAA Battery (not included) Size: 13.6 x 5 x 1.8 cm / 5.35 x 1.96 x 0.70 inch Material: ABS + Metal Other information Package Contents: 1 * Remote control receiver, 1 * Signal receiver Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.