High-quality materials: This product is made of PC material. It is compact in size and quick and easy to install. It can be installed in the junction box without taking up too much space. APP remote control: After connecting to the Tuya app, you can remotely control the opening/closing of your smart home curtain devices from anywhere. Timer function: The timer function can automatically turn lights on/off at a specific time. It also supports countdown and scheduling functions. Family sharing function: One device can be shared with different family members for control, allowing your friends or family to control it together. Hands-free voice control: Compatible with Alexa and Google Home for easy voice control. You can achieve voice control and enjoy the convenience of technology. Wide application: With this switch module, you can make your smart curtain module more convenient to use. It can be used at home, in the office, in hotels, and more. Specification: Name: Curtain Module Material: ABS + PC Type: QS-WIFI-ECC02 (no gateway required) QS-WIFI-ECC02: Input: 100-250 VAC. 50/60 Hz Current: 5A Working frequency: 2.4 GHz-2.4835 GHz Wifi 802.11 b/g/n Operating temperature: -10°C to +40°C Range: ≤ 200 m Protection level: IP20 Product size: Curtain module: 44 * 41 * 25 mm / 1.73 * 1.61 * 0.98 inches Item weight: Curtain module: 33 g / 1.16 oz Package size: Curtain module: 55*50*33 mm / 2.17*1.97*1.30 inches Package weight: Curtain module: 40 g / 1.41 oz Packing list (QS-WIFI-ECC02): 1 * Curtain module The product is made of PC material and has a compact design. This makes it quick and easy to install without taking up too much space. After connecting to the Tuya app, you can remotely control the opening and closing of your smart home curtains from wherever you are. It supports remote control of turning the product on/off or setting the on/off timer.