It is made of electronic accessories Elements, inner conductor is pure copper. it is long lasting and durable for you to use. With adjustable potentiometer can adjust the brightness of the light detected. Working voltage: 3.3V-5V. Used for light intensity detection, light intensity sensor, intelligent car light seeking module. Comparator output, signal clean waveform is good, driving ability, than 15mA. Low power consumption, small size, easy for embedded installation. High sensitivity and high reliability. With fixing screw hole, convenient for install and fixed. Small size, low power consumption, fast response. Strong vibration resistance, good electromechanical performance, long signal transmission Widely used in various auto-sensing of electrical equipment, body induction lamps, body sensors toys, especially battery-powered automatic control product. 1.Using sensitive p oresistor sensor. 2.Output form: digital switch output (0 and 1) 3.Small board PCB size: 32 x 14mm 4.Using a wide voltage LM393 comparator 5.Working temperature: -20℃ ~ +55℃ 6.Application: Light intensity detection, intelligent car light module, with directional, only sense light source in front of the sensor, better to use for searching light. colour: blue Material: PCB Package Contents: 10 x sensor module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.