... ,portable instrument,etc. 3.stable, long-lasting Cantonchip SMD LED 020 sideview:Features:l Wide view angle ( X : 120° / Y : ... should be kept at 5 ~ 30 °C and 60 % RH or less. The LEDs should be used within a year ... else should be kept at 5 ~ 30 °C and 30 % RH or less . The LEDs should be used within 7 days ... the moisture proof bag again. Our equipments: smd led 020/ 020 backlight/ led smd 020/ smd 020