About customization instructions： 1: Support glass button pattern customization; (laser printing process) 2: Support ink screen printing to customize LOGO; (Bulk order is required) 3: Support OEM PID, customers can customize product management and view product logs in the background; 4: Support the design and development according to customer needs; (Development fees are required) 5: Support customized packaging boxes and instructions; (Bulk orders are required) APP function: 1. Support remote control; 2. Support intelligent linkage; scene control; 3. Support timing control; 4. Support custom setting of power-on state; (default power-on, default power-off, power-off memory) 5. Support button jog control; 6. Support custom setting of button indicator light; (indicating switch, indicating position, indicating light off)