Curtain Module (optional): This product is made from PC material, compact size design for quick and easy installation, will not occupy to much space. After correctly connecting to the Tuya APP, you can achieve remotes control the on/off of your home intelligent curtain devices wherever you are. Support remotely control the product to close/open or set timing time to on/off it. Remote controller+RF (optional): The remotr controller is made of quality plastics material, wear resistant and fall resistent, with long durability. Rough surface design, anti-slip texture for fast battery replacement, and with comfortable hand feeling. The remote controller is powered by A23 alkaline battery, 12 V, 23A (included). Equipped with a remote controller bracket for easy installed on the wall or the side of table for easy storage. Features: Curtain Module(optional): Premium Material: This product is made from PC material, compact size design for quick and easy installation, it can be installed in the junction box and will not occupy to much space. APP Remotely Control: After correctly connecting to the Tuya APP, you can achieve remotes control the on/off of your home intelligent curtain devices wherever you are. Timing Function: Through the timing function, you can achieve turn the lights on/off automatically at the specific time, and also support count down and calendar function. Family Sharing Function: One device can be shared to different family members to control, let your friends or family to control it together. Hands-free Voice Control: Compatible with Alexa, Google Home for easy voice control, you can achieve voice control and enjoy the convenience of technology. Wide Applications: With this switch module, you can make your intelligent curtain module more convenient to use. It can be used in your home, office, hotel and so on. Two Models Optional, you can choose QS-WIFI-ECC02, QS-Zigbee-ECC02, depending on your demands. QS-WIFI-ECC02: no gateways needed QS-Zigbee-ECC02: needs to be used with gateways. Remote controller+RF(optional): It is made of quality plastics material, wear resistant and fall resistent, with long durability. Rough surface design, anti-slip texture for fast battery replacement, and with comfortable hand feeling. The remote controller is powered by A23 alkaline battery, 12 V, 23A (included). Equipped with a remote controller bracket for easy installed on the wall or the side of table for easy storage. And comes with a RF module. Specifications: Name: Curtain Module Material: ABS+PC Type: QS-WIFI-ECC02, QS-Zigbee-ECC02, Remote controller+RF (optional) QS-WIFI-ECC02: Input: 100-250VAC, 50/60Hz Current: 5A Operation frequency: 2.4GHz-2.4835GHz Wifi 802.11 b/g/n Operation temperature: -10 to +40 Operation ranges: 200m IP rating: IP20 QS-Zigbee-ECC02: Input: 100-250VAC, 50/60Hz Current: 5A Operation frequency: 2.4GHz-2.484GHz IEEE 802.15.4 Operation temperature: -10 to +40 Operation ranges: 200m IP rating: IP20 Remote controller+RF: 1 * A23 alkaline battery, 12 V, 23A (included) Item size: Curtain module: 44 * 41 * 25mm / 1.73 * 1.61 * 0.98in Remote controller: 94 * 44 * 19mm / 3.70 * 1.73 * 0.75in RF: 27 * 24 * 11mm / 1.06 * 0.94 * 0.43in Item weight: Curtain module: 33g / 1.16ounce Remote controller+RF: 39g / 1.38ounce Package size: Curtain module: 55 * 50 * 33mm / 2.17 * 1.97 * 1.30in Remote controller+RF: 122 * 50 * 28mm / 4.80 * 1.97 * 1.10in Package weight: Curtain module: 40g / 1.41ounce Remote controller+RF: 47g / 1.66ounce Packing List (QS-WIFI-ECC02, QS-Zigbee-ECC02): 1 * Curtain Module OR Packing List (Remote Controller+RF): 1 * Remote Controller 1 * RF