This capacitive touch switch module can be used for devices such as portable media players and mobile handheld devices when you need high visibility. It comes in single-colour versions as well as an RGB version that cycles through the colour pattern when turned on. Suggested Applications: Operating Panel Touch switch Handheld home air environment detector Industrial control device with waterproof function Keyboard Car Equipment Bluetooth test stand information display Characteristics: No mechanical parts Can be placed behind any insulating layer (usually glass or plastic material) The output signal is latching Input voltage: 2.7V ~ +6 V wide voltage input range Output voltage: +3.3 V signal output (can be directly used to drive the relay, optocoupler, LED lights, etc.) Operating temperature: -30 ~ +70 °C Touch-sensitive, no hysteresis, delay, flicker and other adverse reactions;