Technical Parameters of Item
LED Power: 4W 
Emitting color:  250-260nm. 256-270nm, 275-280nm, 305-310nm ,335-345nm
Beam angle: 120 degree           
DC forward voltage (VF):  DC12V
Forward Current: 4W 300-350mA              
Radiant flux:10-15m
Life Span: 50,000 Hours

Notes for UVC-LED 250nm -310nm

a. Do not touch the LED, or will affect the normal light-emitting devices
b. Power devices must confirm the positive and negative, reversing polarity may damage the device
c. Strictly operate in accordance with electrical parameters, too high voltage may damage the device
d. UVC-LED status should be avoided close observation with the naked eye..