Features Fast Response Time: Achieve quick and accurate light sensing with a response time of just 20ms in bright light and 30ms in dark light Generous Pack Size: Enjoy a complete supply of 50pcs, each with a 5mm diameter and a leg length of 31mm, perfect for various projects Reliable Light Measurement: Benefit from 20 integrated light sensors that provide stable and dependable readings for your lighting applications Advanced Semiconductor Design: Experience variable conductivity that adapts to changes in light strength, enhancing the effectiveness of your light-dependent projects Versatile Usage: Utilize this component in diverse applications such as photoelectric control, automatic camera exposure, indoor lighting management, and alarm systems Features: 1、RESPONSE TIME: With a response time of 20ms in bright light and 30ms in dark light, this photoresistor ensures quick and accurate light sensing. 2、PACK OF 50: The set includes 50pcs of 5mm GM5539 photoresistors, featuring a leg length of 31mm, providing ample supply for your projects. 3、20 LIGHT SENSORS: The photo light sensitive resistor has 20 light sensors, ensuring stable and reliable light measurement. 4、SEMICONDUCTOR MATERIAL: The photoresistor is made of semiconductor material, with its conductivity varying with changes in light strength. 5、WIDE APPLICATION: The light dependent resistor is widely use in our daily lives, including photoelectric control, automatic exposure in cameras, indoor lighting control, alarm systems and more. Specification: Item Type: Photoresistor Material: Sedimentary Film Model: GM5539 Maximum Voltage: 150V DC Maximum Wattage: 100mW Spectral Peak: 540nm Light Resistance (10Lx): 50-100Kohm Working Temperature: -30℃ to +70℃ Size: Approx. 5mm/0.2in Leg Length: Approx. 31mm/1.2in Package List: 50 x Photoresistor Package List 50 x Photoresistor