Features SIMPLE AND INTUITIVE SWITCH BUTTON: The switch status is synchronized with the phone in real time. The device is installed in a weak current system with a WIFI environment, and the phone can remotely control it anywhere there is a signal. MANAGEMENT DETAILS: The phone that is paired with the module for the first time is the main account phone, which can manage the shared users. Supports controlling multiple devices with one phone, as well as multiple phones controlling one device CONVENIENT AND FAST: The switch can achieve keyless unlocking, without the need to carry a key, and can quickly open the door through mobile phones and other means, making it convenient and fast. INTELLIGENT MANAGEMENT: Access control switches can be managed and controlled through remote control, mobile apps, and other methods to improve the level of intelligence and convenience in access control management. ABS MATERIAL: Simple and modern design with ABS material, easy to match with different styles, an ideal replacement for the old and damaged parts. Specification: Item Type: Smart Door Switch Material: ABS Voltage: 12V Package List: 1 x Switch  1 x Manual  Features: SIMPLE AND INTUITIVE SWITCH BUTTON: The switch status is synchronized with the phone in real time. The device is installed in a weak current system with a WIFI environment, and the phone can remotely control it anywhere there is a signal. MANAGEMENT DETAILS: The phone that is paired with the module for the first time is the main account phone, which can manage the shared users. Supports controlling multiple devices with one phone, as well as multiple phones controlling one device CONVENIENT AND FAST: The switch can achieve keyless unlocking, without the need to carry a key, and can quickly open the door through mobile phones and other means, making it convenient and fast. INTELLIGENT MANAGEMENT: Access control switches can be managed and controlled through remote control, mobile apps, and other methods to improve the level of intelligence and convenience in access control management. ABS MATERIAL: Simple and modern design with ABS material, easy to match with different styles, an ideal replacement for the old and damaged parts. Package List 1 x Switch 1 x Manual