Features:   This product can be used as the intelligent switch to work with your traditional curtain switch to realize intellient control, let you enjoy the charm of technology, it also can be used with your curtain motor to intelligent control your curtain.   APP remotes control: After correctly connecting to the Tuya APP, you can achieve remotes control your blinds wherever you are.   Hands-free voice control: Compatible for Alexa Google Home for easy voice control, you can achieve voice control.   A variety of applications: widely used in homes, office buildings, schools, hospitals and a lot of other places.   Family sharing function: One device can be shared to different family members to control, let your friends or family to enjoy it toghther.   iming function: Through the timing function on the App, you can achieve turn the curtain on/off automatically at the specific time.      Specifications:    Material: ABS;   Working voltage: AC 100~240V 50/60Hz;   Max.load: 3A;   Working frequency: 2.412GHz~2.484GHz;   Working temperature: -10℃~40℃;   WiFi: IEEE 802.11b/g/n;   Operating distance: <100m;   IP level: IP20;   Package size: 46.0 * 46.0 * 18mm  / 1.8 * 1.8 * 0.7in;   Package weight: 50g / 1.8ounce.   Note:   Please check if your motor with 4 wires before make your order. (Note:Motor not included,need a separate purchase.), and also can not work with direct current motor.   Package included:  1 x Curtain Switch Module.