Feature Highlights: 1. Versatile Value Set – Each module measures 15mm x 11mm, ideal for DIY electronics, control panels, touch interfaces, and prototyping projects. 2. Stable & Reliable – Made from quality PCB material with a red capacitive touch sensor, it operates steadily under voltages from 2.5V to 5.5V and temperatures from -20°C to 50°C. 3. Flexible Output Modes – Configurable trigger settings allow you to choose between TTL high/low output with or without self-locking, adapting to various circuit needs. 4. Easy to Integrate – Compact design with clear pin definitions, ready for soldering and quick installation into your projects—no complex tools required. 5. Wide Compatibility – Works well with Arduino, Raspberry Pi, and other common development boards, perfect for touch switches, interactive controls, and sensor applications. Product Details: This capacitive touch switch module is built with a durable PCB and a sensitive red touch sensor. It supports four configurable output modes via jumper settings, making it adaptable for both momentary and latching touch controls. With a low power design and a wide operating voltage range, it’s suitable for home automation, DIY electronics, and industrial control panels. The compact size saves space on your circuit board, and the modules come ready to use—just connect and configure. Specifications: - Model: TTP223 - Size: 15mm x 11mm - Power Supply: 2.5V–5.5V - Operating Temperature: -20°C to 50°C - Breakdown Voltage: 6V - Trigger Mode Settings: AB=00: High TTL output, no lock AB=01: High TTL output, self-locking AB=10: Low TTL output, no lock AB=11: Low TTL output, self-locking - Internal Switch: Capacitive touch sensor - Color: Red - Material: PCB - Package Includes: 50 × capacitive touch switch modules Only the items listed above are included. Please note that slight color variations may occur due to lighting or screen differences, and measurements allow a tolerance of +/- 1–3mm.