1. This switch requires a 12V DC regulated power supply to enable mobile phone remote control functionality. 2. The switch must be installed in an environment with WiFi coverage. 3. Avoid installing in areas with high-voltage power supply or strong magnetic interference. RF433 remote control: The device is designed for installation in a low-voltage system with a WiFi environment, allowing the wireless switch to be remotely controlled within a certain range. APP remote control: Simple and intuitive switch buttons; switch status is synchronized with the mobile phone in real time. Once installed in a WiFi-enabled low-voltage system, the device can be remotely controlled via mobile phone from any location with network signal. Smart cloud sharing: The mobile phone initially paired with the module becomes the primary account and can manage shared users. Supports one mobile phone controlling multiple devices, and multiple mobile phones controlling a single device. Specifications: Product Name: Type 86 Smart Access Control Switch Structure: Flame-retardant mixed resin Product Life: 100,000 cycles aging test Power Supply Mode: DC 12V Product Dimensions: 86 x 86 x 22 mm Working Temperature: -10°C to 55°C (14°F to 131°F) Product Name: Wireless Switch Working Frequency: 433.92 MHz Operating Voltage: DC 3V Transmitting Power: [Value not specified]