[APP remote control] You can use Tuya or Smart Life APP to remotely control the switch. When you go out, you can see the on or off status of the switch on the APP. [ partition design] The switch is divided into three areas, representing different positions of the door, and can be independently controlled to open or close. (Other similar products do not have this function) [Applicable scenarios] Applicable to types of doors, including: automatic doors, rolling shutters, garage doors, revolving doors, sliding doors, glass doors, etc. [Safety performance] The switch is made of the highest quality and sturdy materials, including anti-fingerprint & waterproof tempered glass panels, ABS frames, sturdy screen panels, electronic chipsets, and flame-retardant bases. Multiple insurances, . [LED backlight indicator] The switch indicator uses red and blue lights to distinguish the on or off status of the switch. [Voice control] Can be used with for and Home. [Group linkage function] You can turn off or on other smart devices in the group together, which is more convenient. (Note: This function must be set on the APP) [Sharing function] Share with family members and remotely control the device together. Rated voltage:AC 100-240V/DC 9-30V Output power:10A/2000W/Gang Working humidity:less than equal 80% Working temperature:40-85 WIFI standard:WiFi 2.4G b/g/h Dimensions:8.6x8.6x4cm Notes: 1. This switch requires a neutral wire; 2. You can use a 9-30V DC power supply and connect the red and black wires to the DC power supply (the red wire is connected to the positive pole and the black wire is connected to the negative pole). 3. Bluetooth is only used for network signal connection and cannot be used alone. WIFI+Bluetooth is more stable. Colour:White Material:ABS+PC Package Contents: 1 * Wireless Garage Door Opener Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.