Output state on power up is selectable based on the circuit at point A. If a resistance is connected at point A, the output closes after power on. If there is no resistance at point A, the voltage is output directly after power on. Touch type singlekey bistable switch with configurable operation modes. It can be set to selflocking (latching) or inching mode. Maximum sensing distance up to 8 mm, enabling convenient touch control through acrylic panels, casings, and veneers. Electrical specifications and drive capability. Working voltage is DC 3 to 30 V. Maximum output current is 2.5 A. Suitable for directly driving various lowpower electrical appliances, LED strips, lamp belts, and other compatible devices. Practical applications Furniture and cabinetry: install behind an acrylic panel to turn LED lighting on/off with a touch. Signage and displays: use for backlighting or accent lighting on acrylic signs and decorative veneers. DIY electronics and hobby projects: integrate as a reliable touch switch to control small lamps, LED modules, or lowpower loads.